90903876 has 24 divisors (see below), whose sum is σ = 242410560. Its totient is φ = 25972512.

The previous prime is 90903863. The next prime is 90903887. The reversal of 90903876 is 67830909.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 541011 + ... + 541178.

It is an arithmetic number, because the mean of its divisors is an integer number (10100440).

Almost surely, 2^90903876 is an apocalyptic number.

It is an amenable number.

90903876 is an abundant number, since it is smaller than the sum of its proper divisors (151506684).

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

90903876 is a wasteful number, since it uses less digits than its factorization.

90903876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082203 (or 1082201 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 90903876 is about 9534.3524163941. The cubic root of 90903876 is about 449.6357150594.

The spelling of 90903876 in words is "ninety million, nine hundred three thousand, eight hundred seventy-six".