85890632 has 16 divisors (see below), whose sum is σ = 163252140. Its totient is φ = 42356736.

The previous prime is 85890619. The next prime is 85890689. The reversal of 85890632 is 23609858.

It can be written as a sum of positive squares in 2 ways, for example, as 82700836 + 3189796 = 9094^2 + 1786^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 85890632.

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, 72953 + ... + 74120.

Almost surely, 2^85890632 is an apocalyptic number.

It is an amenable number.

85890632 is a deficient number, since it is larger than the sum of its proper divisors (77361508).

85890632 is a wasteful number, since it uses less digits than its factorization.

85890632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147152 (or 147148 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 85890632 is about 9267.7198921849. The cubic root of 85890632 is about 441.2133041198.

The spelling of 85890632 in words is "eighty-five million, eight hundred ninety thousand, six hundred thirty-two".