90459607 has 4 divisors (see below), whose sum is σ = 103382416. Its totient is φ = 77536800.

The previous prime is 90459599. The next prime is 90459617. The reversal of 90459607 is 70695409.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70695409 = 19 ⋅3720811.

It is a cyclic number.

It is not a de Polignac number, because 90459607 - 2³ = 90459599 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 90459607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90459617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6461394 + ... + 6461407.

It is an arithmetic number, because the mean of its divisors is an integer number (25845604).

Almost surely, 2^90459607 is an apocalyptic number.

90459607 is a deficient number, since it is larger than the sum of its proper divisors (12922809).

90459607 is a wasteful number, since it uses less digits than its factorization.

90459607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12922808.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 90459607 is about 9511.0255493296. The cubic root of 90459607 is about 448.9020260667.

The spelling of 90459607 in words is "ninety million, four hundred fifty-nine thousand, six hundred seven".