85998292 has 24 divisors (see below), whose sum is σ = 152917632. Its totient is φ = 42312000.

The previous prime is 85998287. The next prime is 85998299. The reversal of 85998292 is 29289958.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85998299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142792 + ... + 143392.

It is an arithmetic number, because the mean of its divisors is an integer number (6371568).

Almost surely, 2^85998292 is an apocalyptic number.

It is an amenable number.

85998292 is a deficient number, since it is larger than the sum of its proper divisors (66919340).

85998292 is a wasteful number, since it uses less digits than its factorization.

85998292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1119 (or 1117 counting only the distinct ones).

The product of its digits is 933120, while the sum is 52.

The square root of 85998292 is about 9273.5264058501. The cubic root of 85998292 is about 441.3975740851.

The spelling of 85998292 in words is "eighty-five million, nine hundred ninety-eight thousand, two hundred ninety-two".