8791432 has 16 divisors (see below), whose sum is σ = 17752140. Its totient is φ = 4057536.

The previous prime is 8791429. The next prime is 8791457. The reversal of 8791432 is 2341978.

It can be written as a sum of positive squares in 2 ways, for example, as 7365796 + 1425636 = 2714^2 + 1194^2 .

It is a super-2 number, since 2×8791432² = 154578553221248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42163 + ... + 42370.

Almost surely, 2^8791432 is an apocalyptic number.

It is an amenable number.

8791432 is an abundant number, since it is smaller than the sum of its proper divisors (8960708).

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

8791432 is a wasteful number, since it uses less digits than its factorization.

8791432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84552 (or 84548 counting only the distinct ones).

The product of its digits is 12096, while the sum is 34.

The square root of 8791432 is about 2965.0349070458. The cubic root of 8791432 is about 206.3889969697.

It can be divided in two parts, 87 and 91432, that added together give a palindrome (91519).

The spelling of 8791432 in words is "eight million, seven hundred ninety-one thousand, four hundred thirty-two".