90993954 has 16 divisors (see below), whose sum is σ = 183865248. Its totient is φ = 30018432.

The previous prime is 90993953. The next prime is 90993971. The reversal of 90993954 is 45939909.

It is not an unprimeable number, because it can be changed into a prime (90993953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77592 + ... + 78755.

It is an arithmetic number, because the mean of its divisors is an integer number (11491578).

Almost surely, 2^90993954 is an apocalyptic number.

90993954 is an abundant number, since it is smaller than the sum of its proper divisors (92871294).

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

90993954 is a wasteful number, since it uses less digits than its factorization.

90993954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156449.

The product of its (nonzero) digits is 393660, while the sum is 48.

The square root of 90993954 is about 9539.0751123995. The cubic root of 90993954 is about 449.7841829318.

The spelling of 90993954 in words is "ninety million, nine hundred ninety-three thousand, nine hundred fifty-four".