90634968 has 24 divisors (see below), whose sum is σ = 245469900. Its totient is φ = 30211632.

The previous prime is 90634963. The next prime is 90634981. The reversal of 90634968 is 86943609.

90634968 is a `hidden beast` number, since 9 + 0 + 634 + 9 + 6 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×90634968² = 16429394848722048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90634963) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 629338 + ... + 629481.

Almost surely, 2^90634968 is an apocalyptic number.

It is an amenable number.

90634968 is an abundant number, since it is smaller than the sum of its proper divisors (154834932).

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

90634968 is a wasteful number, since it uses less digits than its factorization.

90634968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258831 (or 1258824 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 90634968 is about 9520.2399129434. The cubic root of 90634968 is about 449.1919127092.

The spelling of 90634968 in words is "ninety million, six hundred thirty-four thousand, nine hundred sixty-eight".