990535464 has 48 divisors (see below), whose sum is σ = 2840509620. Its totient is φ = 310755840.

The previous prime is 990535463. The next prime is 990535471. The reversal of 990535464 is 464535099.

990535464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 844367364 + 146168100 = 29058^2 + 12090^2 .

It is not an unprimeable number, because it can be changed into a prime (990535463) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 403407 + ... + 405854.

Almost surely, 2^990535464 is an apocalyptic number.

It is an amenable number.

990535464 is an abundant number, since it is smaller than the sum of its proper divisors (1849974156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

990535464 is a wasteful number, since it uses less digits than its factorization.

990535464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809290 (or 809283 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 45.

The square root of 990535464 is about 31472.7733763645. The cubic root of 990535464 is about 996.8351489512.

It can be divided in two parts, 9905 and 35464, that added together give a square (45369 = 213²).

The spelling of 990535464 in words is "nine hundred ninety million, five hundred thirty-five thousand, four hundred sixty-four".