1147634432 has 36 divisors (see below), whose sum is σ = 2618045136. Its totient is φ = 491842560.

The previous prime is 1147634377. The next prime is 1147634437. The reversal of 1147634432 is 2344367411.

It is a junction number, because it is equal to n+sod(n) for n = 1147634392 and 1147634401.

It is not an unprimeable number, because it can be changed into a prime (1147634437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 318419 + ... + 322002.

It is an arithmetic number, because the mean of its divisors is an integer number (72723476).

Almost surely, 2^1147634432 is an apocalyptic number.

It is an amenable number.

1147634432 is an abundant number, since it is smaller than the sum of its proper divisors (1470410704).

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

1147634432 is an frugal number, since it uses more digits than its factorization.

1147634432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640444 (or 640430 counting only the distinct ones).

The product of its digits is 48384, while the sum is 35.

The square root of 1147634432 is about 33876.7535634689. The cubic root of 1147634432 is about 1046.9706887712.

The spelling of 1147634432 in words is "one billion, one hundred forty-seven million, six hundred thirty-four thousand, four hundred thirty-two".