990704495 has 32 divisors (see below), whose sum is σ = 1378031616. Its totient is φ = 675750400.

The previous prime is 990704471. The next prime is 990704497. The reversal of 990704495 is 594407099.

It is not a de Polignac number, because 990704495 - 2²⁸ = 722269039 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 (990704497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 289082 + ... + 292488.

It is an arithmetic number, because the mean of its divisors is an integer number (43063488).

Almost surely, 2^990704495 is an apocalyptic number.

990704495 is a deficient number, since it is larger than the sum of its proper divisors (387327121).

990704495 is a wasteful number, since it uses less digits than its factorization.

990704495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3751.

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 990704495 is about 31475.4586146096. The cubic root of 990704495 is about 996.8918477317.

It can be divided in two parts, 990704 and 495, that added together give a palindrome (991199).

The spelling of 990704495 in words is "nine hundred ninety million, seven hundred four thousand, four hundred ninety-five".