15900948 has 168 divisors, whose sum is σ = 51414720. Its totient is φ = 4199040.

The previous prime is 15900881. The next prime is 15900953. The reversal of 15900948 is 84900951.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 387808 + ... + 387848.

It is an arithmetic number, because the mean of its divisors is an integer number (306040).

Almost surely, 2^15900948 is an apocalyptic number.

15900948 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15900948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25707360).

15900948 is an abundant number, since it is smaller than the sum of its proper divisors (35513772).

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

15900948 is a wasteful number, since it uses less digits than its factorization.

15900948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 15900948 is about 3987.5992777610. The cubic root of 15900948 is about 251.4631428136.

The spelling of 15900948 in words is "fifteen million, nine hundred thousand, nine hundred forty-eight".