2698724 has 30 divisors (see below), whose sum is σ = 5529174. Its totient is φ = 1152480.

The previous prime is 2698721. The next prime is 2698727. The reversal of 2698724 is 4278962.

2698724 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2698721) and next prime (2698727).

It can be written as a sum of positive squares in only one way, i.e., 2458624 + 240100 = 1568^2 + 490^2 .

It is a super-2 number, since 2×2698724² = 14566222456352, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2⁷ + 6⁴ + 9⁵ + 8⁷ + 7⁵ + 2¹⁹ + 4 .

It is not an unprimeable number, because it can be changed into a prime (2698721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 9464 + ... + 9744.

2^2698724 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2698724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2764587).

2698724 is an abundant number, since it is smaller than the sum of its proper divisors (2830450).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2698724 is an equidigital number, since it uses as much as digits as its factorization.

2698724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313 (or 290 counting only the distinct ones).

The product of its digits is 48384, while the sum is 38.

The square root of 2698724 is about 1642.7793521955. The cubic root of 2698724 is about 139.2257257469.

The spelling of 2698724 in words is "two million, six hundred ninety-eight thousand, seven hundred twenty-four".