85628444 has 24 divisors (see below), whose sum is σ = 165449088. Its totient is φ = 38451440.

The previous prime is 85628441. The next prime is 85628447. The reversal of 85628444 is 44482658.

It is an interprime number because it is at equal distance from previous prime (85628441) and next prime (85628447).

It is a super-2 number, since 2×85628444² = 14664460843722272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85628441) 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, 8072 + ... + 15375.

It is an arithmetic number, because the mean of its divisors is an integer number (6893712).

Almost surely, 2^85628444 is an apocalyptic number.

It is an amenable number.

85628444 is a deficient number, since it is larger than the sum of its proper divisors (79820644).

85628444 is a wasteful number, since it uses less digits than its factorization.

85628444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23545 (or 23543 counting only the distinct ones).

The product of its digits is 245760, while the sum is 41.

The square root of 85628444 is about 9253.5638539970. The cubic root of 85628444 is about 440.7639002697.

The spelling of 85628444 in words is "eighty-five million, six hundred twenty-eight thousand, four hundred forty-four".