85298428 has 12 divisors (see below), whose sum is σ = 149931432. Its totient is φ = 42460880.

The previous prime is 85298417. The next prime is 85298443. The reversal of 85298428 is 82489258.

It is a congruent number.

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, 46063 + ... + 47878.

It is an arithmetic number, because the mean of its divisors is an integer number (12494286).

Almost surely, 2^85298428 is an apocalyptic number.

It is an amenable number.

85298428 is a deficient number, since it is larger than the sum of its proper divisors (64633004).

85298428 is a wasteful number, since it uses less digits than its factorization.

85298428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94172 (or 94170 counting only the distinct ones).

The product of its digits is 368640, while the sum is 46.

The square root of 85298428 is about 9235.7148072036. The cubic root of 85298428 is about 440.1969297538.

The spelling of 85298428 in words is "eighty-five million, two hundred ninety-eight thousand, four hundred twenty-eight".