90607 has 4 divisors (see below), whose sum is σ = 98856. Its totient is φ = 82360.

The previous prime is 90599. The next prime is 90617. The reversal of 90607 is 70609.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 90607 - 2³ = 90599 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 90607.

It is not an unprimeable number, because it can be changed into a prime (90617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4108 + ... + 4129.

It is an arithmetic number, because the mean of its divisors is an integer number (24714).

2⁹⁰⁶⁰⁷ is an apocalyptic number.

90607 is a deficient number, since it is larger than the sum of its proper divisors (8249).

90607 is a wasteful number, since it uses less digits than its factorization.

90607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8248.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 90607 is about 301.0099666124. The cubic root of 90607 is about 44.9145704304.

The spelling of 90607 in words is "ninety thousand, six hundred seven".