1090736928 has 60 divisors (see below), whose sum is σ = 3207834630. Its totient is φ = 363578112.

The previous prime is 1090736917. The next prime is 1090736929. The reversal of 1090736928 is 8296370901.

It can be written as a sum of positive squares in only one way, i.e., 1089792144 + 944784 = 33012^2 + 972^2 .

It is a super-2 number, since 2×1090736928² = 2379414092205754368, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1090736929) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 207813 + ... + 212996.

Almost surely, 2^1090736928 is an apocalyptic number.

1090736928 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1090736928 is an abundant number, since it is smaller than the sum of its proper divisors (2117097702).

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

1090736928 is an equidigital number, since it uses as much as digits as its factorization.

1090736928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420831 (or 420814 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 1090736928 is about 33026.3066054925. The cubic root of 1090736928 is about 1029.3743421219.

The spelling of 1090736928 in words is "one billion, ninety million, seven hundred thirty-six thousand, nine hundred twenty-eight".