990734607 has 24 divisors (see below), whose sum is σ = 1475072144. Its totient is φ = 640306944.

The previous prime is 990734599. The next prime is 990734629. The reversal of 990734607 is 706437099.

990734607 is a `hidden beast` number, since 9 + 9 + 0 + 7 + 34 + 607 = 666.

It is not a de Polignac number, because 990734607 - 2³ = 990734599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (990734207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88983 + ... + 99495.

Almost surely, 2^990734607 is an apocalyptic number.

990734607 is a deficient number, since it is larger than the sum of its proper divisors (484337537).

990734607 is a wasteful number, since it uses less digits than its factorization.

990734607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10839 (or 10836 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 45.

The square root of 990734607 is about 31475.9369519003. The cubic root of 990734607 is about 996.9019476499.

The spelling of 990734607 in words is "nine hundred ninety million, seven hundred thirty-four thousand, six hundred seven".