90470086 has 16 divisors (see below), whose sum is σ = 161835264. Its totient is φ = 37086984.

The previous prime is 90470047. The next prime is 90470113. The reversal of 90470086 is 68007409.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140160 + ... + 140803.

It is an arithmetic number, because the mean of its divisors is an integer number (10114704).

Almost surely, 2^90470086 is an apocalyptic number.

90470086 is a deficient number, since it is larger than the sum of its proper divisors (71365178).

90470086 is a wasteful number, since it uses less digits than its factorization.

90470086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280995.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 90470086 is about 9511.5764203417. The cubic root of 90470086 is about 448.9193592642.

The spelling of 90470086 in words is "ninety million, four hundred seventy thousand, eighty-six".