90949038 has 32 divisors (see below), whose sum is σ = 190446336. Its totient is φ = 28900608.

The previous prime is 90949013. The next prime is 90949063. The reversal of 90949038 is 83094909.

It is an interprime number because it is at equal distance from previous prime (90949013) and next prime (90949063).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47781 + ... + 49647.

It is an arithmetic number, because the mean of its divisors is an integer number (5951448).

Almost surely, 2^90949038 is an apocalyptic number.

90949038 is an abundant number, since it is smaller than the sum of its proper divisors (99497298).

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

90949038 is a wasteful number, since it uses less digits than its factorization.

90949038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2248.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 90949038 is about 9536.7205054987. The cubic root of 90949038 is about 449.7101639798.

The spelling of 90949038 in words is "ninety million, nine hundred forty-nine thousand, thirty-eight".