918564932 has 6 divisors (see below), whose sum is σ = 1607488638. Its totient is φ = 459282464.

The previous prime is 918564929. The next prime is 918564949. The reversal of 918564932 is 239465819.

It can be written as a sum of positive squares in only one way, i.e., 863419456 + 55145476 = 29384^2 + 7426^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114820613 + ... + 114820620.

It is an arithmetic number, because the mean of its divisors is an integer number (267914773).

Almost surely, 2^918564932 is an apocalyptic number.

It is an amenable number.

918564932 is a deficient number, since it is larger than the sum of its proper divisors (688923706).

918564932 is a wasteful number, since it uses less digits than its factorization.

918564932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229641237 (or 229641235 counting only the distinct ones).

The product of its digits is 466560, while the sum is 47.

The square root of 918564932 is about 30307.8361484287. The cubic root of 918564932 is about 972.0828633766.

The spelling of 918564932 in words is "nine hundred eighteen million, five hundred sixty-four thousand, nine hundred thirty-two".