1084904920 has 64 divisors (see below), whose sum is σ = 2666442240. Its totient is φ = 393993600.

The previous prime is 1084904911. The next prime is 1084904957. The reversal of 1084904920 is 294094801.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1084904920.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 540639 + ... + 542641.

It is an arithmetic number, because the mean of its divisors is an integer number (41663160).

Almost surely, 2^1084904920 is an apocalyptic number.

1084904920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1084904920 is an abundant number, since it is smaller than the sum of its proper divisors (1581537320).

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

1084904920 is a wasteful number, since it uses less digits than its factorization.

1084904920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3256 (or 3252 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 1084904920 is about 32937.8948932685. The cubic root of 1084904920 is about 1027.5364254012.

The spelling of 1084904920 in words is "one billion, eighty-four million, nine hundred four thousand, nine hundred twenty".