990280496 has 20 divisors (see below), whose sum is σ = 1920039312. Its totient is φ = 494786496.

The previous prime is 990280493. The next prime is 990280541. The reversal of 990280496 is 694082099.

990280496 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 990280496.

It is not an unprimeable number, because it can be changed into a prime (990280493) 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, 1766 + ... + 44538.

Almost surely, 2^990280496 is an apocalyptic number.

It is an amenable number.

990280496 is a deficient number, since it is larger than the sum of its proper divisors (929758816).

990280496 is a wasteful number, since it uses less digits than its factorization.

990280496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44228 (or 44222 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 47.

The square root of 990280496 is about 31468.7225034637. The cubic root of 990280496 is about 996.7496117564.

The spelling of 990280496 in words is "nine hundred ninety million, two hundred eighty thousand, four hundred ninety-six".