15849252 has 36 divisors (see below), whose sum is σ = 40667536. Its totient is φ = 5203440.

The previous prime is 15849233. The next prime is 15849257. The reversal of 15849252 is 25294851.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (15849257) 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 11 ways as a sum of consecutive naturals, for example, 874 + ... + 5697.

Almost surely, 2^15849252 is an apocalyptic number.

15849252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15849252 is an abundant number, since it is smaller than the sum of its proper divisors (24818284).

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

15849252 is a wasteful number, since it uses less digits than its factorization.

15849252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6648 (or 6643 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 15849252 is about 3981.1119049833. Note that the first 3 decimals coincide. The cubic root of 15849252 is about 251.1903340906.

The spelling of 15849252 in words is "fifteen million, eight hundred forty-nine thousand, two hundred fifty-two".