85628938 has 12 divisors (see below), whose sum is σ = 133027830. Its totient is φ = 41337296.

The previous prime is 85628903. The next prime is 85628999. The reversal of 85628938 is 83982658.

It can be written as a sum of positive squares in 3 ways, for example, as 67026969 + 18601969 = 8187^2 + 4313^2 .

It is a junction number, because it is equal to n+sod(n) for n = 85628891 and 85628900.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23773 + ... + 27136.

Almost surely, 2^85628938 is an apocalyptic number.

85628938 is a deficient number, since it is larger than the sum of its proper divisors (47398892).

85628938 is a wasteful number, since it uses less digits than its factorization.

85628938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50969 (or 50940 counting only the distinct ones).

The product of its digits is 829440, while the sum is 49.

The square root of 85628938 is about 9253.5905463771. The cubic root of 85628938 is about 440.7647478734.

The spelling of 85628938 in words is "eighty-five million, six hundred twenty-eight thousand, nine hundred thirty-eight".