15960920 has 16 divisors (see below), whose sum is σ = 35912160. Its totient is φ = 6384352.

The previous prime is 15960899. The next prime is 15960961. The reversal of 15960920 is 2906951.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 199472 + ... + 199551.

It is an arithmetic number, because the mean of its divisors is an integer number (2244510).

Almost surely, 2^15960920 is an apocalyptic number.

15960920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15960920 is an abundant number, since it is smaller than the sum of its proper divisors (19951240).

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

15960920 is a wasteful number, since it uses less digits than its factorization.

15960920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399034 (or 399030 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 15960920 is about 3995.1120134484. The cubic root of 15960920 is about 251.7788855756.

The spelling of 15960920 in words is "fifteen million, nine hundred sixty thousand, nine hundred twenty".