1089383456 has 48 divisors (see below), whose sum is σ = 2482179840. Its totient is φ = 460961280.

The previous prime is 1089383447. The next prime is 1089383479. The reversal of 1089383456 is 6543839801.

It is a self number, because there is not a number n which added to its sum of digits gives 1089383456.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13085 + ... + 48476.

It is an arithmetic number, because the mean of its divisors is an integer number (51712080).

Almost surely, 2^1089383456 is an apocalyptic number.

1089383456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1089383456 is an abundant number, since it is smaller than the sum of its proper divisors (1392796384).

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

1089383456 is an equidigital number, since it uses as much as digits as its factorization.

1089383456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61657 (or 61649 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 47.

The square root of 1089383456 is about 33005.8094280386. The cubic root of 1089383456 is about 1028.9483897260.

It can be divided in two parts, 10893 and 83456, that added together give a palindrome (94349).

The spelling of 1089383456 in words is "one billion, eighty-nine million, three hundred eighty-three thousand, four hundred fifty-six".