89432836 has 24 divisors (see below), whose sum is σ = 161141400. Its totient is φ = 43410432.

The previous prime is 89432831. The next prime is 89432843. The reversal of 89432836 is 63823498.

It can be written as a sum of positive squares in 4 ways, for example, as 2383936 + 87048900 = 1544^2 + 9330^2 .

It is a junction number, because it is equal to n+sod(n) for n = 89432792 and 89432801.

It is not an unprimeable number, because it can be changed into a prime (89432831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18390 + ... + 22738.

It is an arithmetic number, because the mean of its divisors is an integer number (6714225).

Almost surely, 2^89432836 is an apocalyptic number.

It is an amenable number.

89432836 is a deficient number, since it is larger than the sum of its proper divisors (71708564).

89432836 is a wasteful number, since it uses less digits than its factorization.

89432836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4503 (or 4501 counting only the distinct ones).

The product of its digits is 248832, while the sum is 43.

The square root of 89432836 is about 9456.8935703010. The cubic root of 89432836 is about 447.1971230599.

The spelling of 89432836 in words is "eighty-nine million, four hundred thirty-two thousand, eight hundred thirty-six".