90589407 has 8 divisors (see below), whose sum is σ = 121168176. Its totient is φ = 60201792.

The previous prime is 90589381. The next prime is 90589439. The reversal of 90589407 is 70498509.

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

It is not a de Polignac number, because 90589407 - 2⁸ = 90589151 is a prime.

It is a super-2 number, since 2×90589407² = 16412881321223298, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90589487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46678 + ... + 48579.

It is an arithmetic number, because the mean of its divisors is an integer number (15146022).

Almost surely, 2^90589407 is an apocalyptic number.

90589407 is a deficient number, since it is larger than the sum of its proper divisors (30578769).

90589407 is a wasteful number, since it uses less digits than its factorization.

90589407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95577.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 90589407 is about 9517.8467627925. The cubic root of 90589407 is about 449.1166324820.

The spelling of 90589407 in words is "ninety million, five hundred eighty-nine thousand, four hundred seven".