90306968 has 16 divisors (see below), whose sum is σ = 174788160. Its totient is φ = 43696800.

The previous prime is 90306949. The next prime is 90306977. The reversal of 90306968 is 86960309.

It is a congruent 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, 181823 + ... + 182318.

It is an arithmetic number, because the mean of its divisors is an integer number (10924260).

Almost surely, 2^90306968 is an apocalyptic number.

It is an amenable number.

90306968 is a deficient number, since it is larger than the sum of its proper divisors (84481192).

90306968 is a wasteful number, since it uses less digits than its factorization.

90306968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364178 (or 364174 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 90306968 is about 9502.9978427862. The cubic root of 90306968 is about 448.6493956963.

Adding to 90306968 its sum of digits (41), we get a square (90307009 = 9503²).

The spelling of 90306968 in words is "ninety million, three hundred six thousand, nine hundred sixty-eight".