90953973 has 24 divisors (see below), whose sum is σ = 145061280. Its totient is φ = 54454560.

The previous prime is 90953963. The next prime is 90953981. The reversal of 90953973 is 37935909.

It is not a de Polignac number, because 90953973 - 2⁶ = 90953909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90953953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2683 + ... + 13751.

It is an arithmetic number, because the mean of its divisors is an integer number (6044220).

Almost surely, 2^90953973 is an apocalyptic number.

It is an amenable number.

90953973 is a deficient number, since it is larger than the sum of its proper divisors (54107307).

90953973 is a wasteful number, since it uses less digits than its factorization.

90953973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11169 (or 11166 counting only the distinct ones).

The product of its (nonzero) digits is 229635, while the sum is 45.

The square root of 90953973 is about 9536.9792387317. The cubic root of 90953973 is about 449.7182977639.

The spelling of 90953973 in words is "ninety million, nine hundred fifty-three thousand, nine hundred seventy-three".