15714940 has 24 divisors (see below), whose sum is σ = 33106752. Its totient is φ = 6265920.

The previous prime is 15714913. The next prime is 15714943. The reversal of 15714940 is 4941751.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15714943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6270 + ... + 8410.

It is an arithmetic number, because the mean of its divisors is an integer number (1379448).

Almost surely, 2^15714940 is an apocalyptic number.

15714940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15714940 is an abundant number, since it is smaller than the sum of its proper divisors (17391812).

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

15714940 is a wasteful number, since it uses less digits than its factorization.

15714940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2517 (or 2515 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 15714940 is about 3964.2073608730. The cubic root of 15714940 is about 250.4787625604.

The spelling of 15714940 in words is "fifteen million, seven hundred fourteen thousand, nine hundred forty".