2340724 has 18 divisors (see below), whose sum is σ = 4325874. Its totient is φ = 1108080.

The previous prime is 2340721. The next prime is 2340727. The reversal of 2340724 is 4270432.

It is an interprime number because it is at equal distance from previous prime (2340721) and next prime (2340727).

It can be written as a sum of positive squares in only one way, i.e., 2196324 + 144400 = 1482^2 + 380^2 .

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2340695 and 2340704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2340721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 634 + ... + 2254.

2^2340724 is an apocalyptic number.

It is an amenable number.

2340724 is a deficient number, since it is larger than the sum of its proper divisors (1985150).

2340724 is a wasteful number, since it uses less digits than its factorization.

2340724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1663 (or 1642 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 2340724 is about 1529.9424825790. The cubic root of 2340724 is about 132.7751302197.

The spelling of 2340724 in words is "two million, three hundred forty thousand, seven hundred twenty-four".