89785732 has 12 divisors (see below), whose sum is σ = 158516316. Its totient is φ = 44495360.

The previous prime is 89785727. The next prime is 89785739. The reversal of 89785732 is 23758798.

It can be written as a sum of positive squares in 2 ways, for example, as 36554116 + 53231616 = 6046^2 + 7296^2 .

It is a super-2 number, since 2×89785732² = 16122955341551648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (89785739) 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, 98869 + ... + 99772.

It is an arithmetic number, because the mean of its divisors is an integer number (13209693).

Almost surely, 2^89785732 is an apocalyptic number.

It is an amenable number.

89785732 is a deficient number, since it is larger than the sum of its proper divisors (68730584).

89785732 is a wasteful number, since it uses less digits than its factorization.

89785732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198758 (or 198756 counting only the distinct ones).

The product of its digits is 846720, while the sum is 49.

The square root of 89785732 is about 9475.5333359131. The cubic root of 89785732 is about 447.7845544115.

The spelling of 89785732 in words is "eighty-nine million, seven hundred eighty-five thousand, seven hundred thirty-two".