15940852 has 6 divisors (see below), whose sum is σ = 27896498. Its totient is φ = 7970424.

The previous prime is 15940819. The next prime is 15940853. The reversal of 15940852 is 25804951.

It can be written as a sum of positive squares in only one way, i.e., 14107536 + 1833316 = 3756^2 + 1354^2 .

It is a super-2 number, since 2×15940852² = 508221524971808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15940853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1992603 + ... + 1992610.

Almost surely, 2^15940852 is an apocalyptic number.

It is an amenable number.

15940852 is a deficient number, since it is larger than the sum of its proper divisors (11955646).

15940852 is a wasteful number, since it uses less digits than its factorization.

15940852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3985217 (or 3985215 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 15940852 is about 3992.5996543606. The cubic root of 15940852 is about 251.6733190256.

The spelling of 15940852 in words is "fifteen million, nine hundred forty thousand, eight hundred fifty-two".