90871356 has 12 divisors (see below), whose sum is σ = 212033192. Its totient is φ = 30290448.

The previous prime is 90871343. The next prime is 90871369. The reversal of 90871356 is 65317809.

It is an interprime number because it is at equal distance from previous prime (90871343) and next prime (90871369).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3786295 + ... + 3786318.

Almost surely, 2^90871356 is an apocalyptic number.

It is an amenable number.

90871356 is an abundant number, since it is smaller than the sum of its proper divisors (121161836).

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

90871356 is a wasteful number, since it uses less digits than its factorization.

90871356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7572620 (or 7572618 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 90871356 is about 9532.6468517406. The cubic root of 90871356 is about 449.5820910260.

The spelling of 90871356 in words is "ninety million, eight hundred seventy-one thousand, three hundred fifty-six".