990764829 has 24 divisors (see below), whose sum is σ = 1441632192. Its totient is φ = 655672320.

The previous prime is 990764809. The next prime is 990764837. The reversal of 990764829 is 928467099.

990764829 is a `hidden beast` number, since 9 + 90 + 76 + 482 + 9 = 666.

It is not a de Polignac number, because 990764829 - 2¹⁷ = 990633757 is a prime.

It is a super-2 number, since 2×990764829² = 1963229892766798482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (990764809) 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 23 ways as a sum of consecutive naturals, for example, 858717 + ... + 859869.

It is an arithmetic number, because the mean of its divisors is an integer number (60068008).

Almost surely, 2^990764829 is an apocalyptic number.

It is an amenable number.

990764829 is a deficient number, since it is larger than the sum of its proper divisors (450867363).

990764829 is a wasteful number, since it uses less digits than its factorization.

990764829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1777 (or 1774 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The square root of 990764829 is about 31476.4170292618. The cubic root of 990764829 is about 996.9120842577.

The spelling of 990764829 in words is "nine hundred ninety million, seven hundred sixty-four thousand, eight hundred twenty-nine".