1083634464 has 72 divisors (see below), whose sum is σ = 3106201392. Its totient is φ = 328049920.

The previous prime is 1083634339. The next prime is 1083634477. The reversal of 1083634464 is 4644363801.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1069222 + ... + 1070234.

It is an arithmetic number, because the mean of its divisors is an integer number (43141686).

Almost surely, 2^1083634464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1083634464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1553100696).

1083634464 is an abundant number, since it is smaller than the sum of its proper divisors (2022566928).

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

1083634464 is an equidigital number, since it uses as much as digits as its factorization.

1083634464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2050 (or 1029 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 39.

The square root of 1083634464 is about 32918.6036155849. The cubic root of 1083634464 is about 1027.1351768082.

The spelling of 1083634464 in words is "one billion, eighty-three million, six hundred thirty-four thousand, four hundred sixty-four".