15361956 has 72 divisors (see below), whose sum is σ = 42049280. Its totient is φ = 4712256.

The previous prime is 15361943. The next prime is 15361963. The reversal of 15361956 is 65916351.

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

It is a self number, because there is not a number n which added to its sum of digits gives 15361956.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 25005 + ... + 25611.

Almost surely, 2^15361956 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15361956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21024640).

15361956 is an abundant number, since it is smaller than the sum of its proper divisors (26687324).

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

15361956 is a wasteful number, since it uses less digits than its factorization.

15361956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673 (or 668 counting only the distinct ones).

The product of its digits is 24300, while the sum is 36.

The square root of 15361956 is about 3919.4331222767. The cubic root of 15361956 is about 248.5891516722.

The spelling of 15361956 in words is "fifteen million, three hundred sixty-one thousand, nine hundred fifty-six".