90950388 has 24 divisors (see below), whose sum is σ = 215816160. Its totient is φ = 29802720.

The previous prime is 90950383. The next prime is 90950393. The reversal of 90950388 is 88305909.

It is an interprime number because it is at equal distance from previous prime (90950383) and next prime (90950393).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90950381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63523 + ... + 64938.

It is an arithmetic number, because the mean of its divisors is an integer number (8992340).

Almost surely, 2^90950388 is an apocalyptic number.

It is an amenable number.

90950388 is an abundant number, since it is smaller than the sum of its proper divisors (124865772).

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

90950388 is a wasteful number, since it uses less digits than its factorization.

90950388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128527 (or 128525 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 90950388 is about 9536.7912842842. The cubic root of 90950388 is about 449.7123890563.

The spelling of 90950388 in words is "ninety million, nine hundred fifty thousand, three hundred eighty-eight".