1063949604 has 24 divisors (see below), whose sum is σ = 2483120640. Its totient is φ = 354568224.

The previous prime is 1063949599. The next prime is 1063949629. The reversal of 1063949604 is 4069493601.

It is a super-2 number, since 2×1063949604² = 2263977519703513632, which contains 22 as substring.

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, 68157 + ... + 82299.

It is an arithmetic number, because the mean of its divisors is an integer number (103463360).

Almost surely, 2^1063949604 is an apocalyptic number.

It is an amenable number.

1063949604 is an abundant number, since it is smaller than the sum of its proper divisors (1419171036).

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

1063949604 is a wasteful number, since it uses less digits than its factorization.

1063949604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20419 (or 20417 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 1063949604 is about 32618.2403571989. The cubic root of 1063949604 is about 1020.8776260502.

The spelling of 1063949604 in words is "one billion, sixty-three million, nine hundred forty-nine thousand, six hundred four".