90476321 has 16 divisors (see below), whose sum is σ = 101004288. Its totient is φ = 80481600.

The previous prime is 90476293. The next prime is 90476341. The reversal of 90476321 is 12367409.

It is a cyclic number.

It is not a de Polignac number, because 90476321 - 2¹⁴ = 90459937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90476341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185540 + ... + 186026.

It is an arithmetic number, because the mean of its divisors is an integer number (6312768).

Almost surely, 2^90476321 is an apocalyptic number.

It is an amenable number.

90476321 is a deficient number, since it is larger than the sum of its proper divisors (10527967).

90476321 is a wasteful number, since it uses less digits than its factorization.

90476321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 90476321 is about 9511.9041731927. The cubic root of 90476321 is about 448.9296718734.

The spelling of 90476321 in words is "ninety million, four hundred seventy-six thousand, three hundred twenty-one".