2726940 has 48 divisors (see below), whose sum is σ = 7805952. Its totient is φ = 710976.

The previous prime is 2726939. The next prime is 2726959. The reversal of 2726940 is 496272.

2726940 = 158² + 159² + ... + 229².

It is a happy number.

2726940 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹⁵ + 7 + 2²¹ + 6² + 9⁶ + 4⁸ + 0 .

It is a junction number, because it is equal to n+sod(n) for n = 2726898 and 2726907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2337 + ... + 3303.

It is an arithmetic number, because the mean of its divisors is an integer number (162624).

2^2726940 is an apocalyptic number.

2726940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2726940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3902976).

2726940 is an abundant number, since it is smaller than the sum of its proper divisors (5079012).

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

2726940 is a wasteful number, since it uses less digits than its factorization.

2726940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026 (or 1024 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 2726940 is about 1651.3449064323. The cubic root of 2726940 is about 139.7092605820.

The spelling of 2726940 in words is "two million, seven hundred twenty-six thousand, nine hundred forty".