90930806 has 8 divisors (see below), whose sum is σ = 139298400. Its totient is φ = 44498008.

The previous prime is 90930787. The next prime is 90930821. The reversal of 90930806 is 60803909.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×90930806² = 16536822959619272, which contains 22 as substring.

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, 483581 + ... + 483768.

It is an arithmetic number, because the mean of its divisors is an integer number (17412300).

Almost surely, 2^90930806 is an apocalyptic number.

90930806 is a deficient number, since it is larger than the sum of its proper divisors (48367594).

90930806 is a wasteful number, since it uses less digits than its factorization.

90930806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967398.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 90930806 is about 9535.7645734362. The cubic root of 90930806 is about 449.6801117519.

The spelling of 90930806 in words is "ninety million, nine hundred thirty thousand, eight hundred six".