90938607 has 4 divisors (see below), whose sum is σ = 121251480. Its totient is φ = 60625736.

The previous prime is 90938569. The next prime is 90938621. The reversal of 90938607 is 70683909.

It is a happy number.

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 90938607 - 2⁶ = 90938543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90933607) 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, 15156432 + ... + 15156437.

It is an arithmetic number, because the mean of its divisors is an integer number (30312870).

Almost surely, 2^90938607 is an apocalyptic number.

90938607 is a deficient number, since it is larger than the sum of its proper divisors (30312873).

90938607 is a wasteful number, since it uses less digits than its factorization.

90938607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30312872.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 90938607 is about 9536.1736037050. The cubic root of 90938607 is about 449.6929708125.

The spelling of 90938607 in words is "ninety million, nine hundred thirty-eight thousand, six hundred seven".