90835856 has 20 divisors (see below), whose sum is σ = 176155392. Its totient is φ = 45376416.

The previous prime is 90835837. The next prime is 90835873. The reversal of 90835856 is 65853809.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23261 + ... + 26883.

Almost surely, 2^90835856 is an apocalyptic number.

It is an amenable number.

90835856 is a deficient number, since it is larger than the sum of its proper divisors (85319536).

90835856 is a wasteful number, since it uses less digits than its factorization.

90835856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5198 (or 5192 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 44.

The square root of 90835856 is about 9530.7846476562. The cubic root of 90835856 is about 449.5235384974.

The spelling of 90835856 in words is "ninety million, eight hundred thirty-five thousand, eight hundred fifty-six".