90949938 has 8 divisors (see below), whose sum is σ = 181899888. Its totient is φ = 30316644.

The previous prime is 90949913. The next prime is 90949967. The reversal of 90949938 is 83994909.

It is a sphenic number, since it is the product of 3 distinct primes.

90949938 is an admirable 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, 7579156 + ... + 7579167.

It is an arithmetic number, because the mean of its divisors is an integer number (22737486).

Almost surely, 2^90949938 is an apocalyptic number.

90949938 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

90949938 is a wasteful number, since it uses less digits than its factorization.

90949938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15158328.

The product of its (nonzero) digits is 629856, while the sum is 51.

The square root of 90949938 is about 9536.7676914141. The cubic root of 90949938 is about 449.7116473666.

The spelling of 90949938 in words is "ninety million, nine hundred forty-nine thousand, nine hundred thirty-eight".