1063647432 has 48 divisors (see below), whose sum is σ = 3050168940. Its totient is φ = 333692928.

The previous prime is 1063647427. The next prime is 1063647437. The reversal of 1063647432 is 2347463601.

It is a happy number.

1063647432 is a `hidden beast` number, since 1 + 0 + 6 + 3 + 647 + 4 + 3 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (1063647427) and next prime (1063647437).

It can be written as a sum of positive squares in 2 ways, for example, as 950735556 + 112911876 = 30834^2 + 10626^2 .

It is a super-2 number, since 2×1063647432² = 2262691719200389248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1063647437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 433273 + ... + 435720.

Almost surely, 2^1063647432 is an apocalyptic number.

1063647432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1063647432 is an abundant number, since it is smaller than the sum of its proper divisors (1986521508).

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

1063647432 is a wasteful number, since it uses less digits than its factorization.

1063647432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869022 (or 869015 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The square root of 1063647432 is about 32613.6080800638. The cubic root of 1063647432 is about 1020.7809705190.

The spelling of 1063647432 in words is "one billion, sixty-three million, six hundred forty-seven thousand, four hundred thirty-two".