85030998 has 24 divisors (see below), whose sum is σ = 184152168. Its totient is φ = 26163072.

The previous prime is 85030997. The next prime is 85030999. The reversal of 85030998 is 89903058.

It is an interprime number because it is at equal distance from previous prime (85030997) and next prime (85030999).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85030997) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40915 + ... + 42942.

It is an arithmetic number, because the mean of its divisors is an integer number (7673007).

Almost surely, 2^85030998 is an apocalyptic number.

85030998 is an abundant number, since it is smaller than the sum of its proper divisors (99121170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85030998 is a wasteful number, since it uses less digits than its factorization.

85030998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83888 (or 83875 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 85030998 is about 9221.2254066366. The cubic root of 85030998 is about 439.7364089263.

The spelling of 85030998 in words is "eighty-five million, thirty thousand, nine hundred ninety-eight".