85897332 has 36 divisors (see below), whose sum is σ = 219885120. Its totient is φ = 28269072.

The previous prime is 85897307. The next prime is 85897363. The reversal of 85897332 is 23379858.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12258 + ... + 17945.

It is an arithmetic number, because the mean of its divisors is an integer number (6107920).

Almost surely, 2^85897332 is an apocalyptic number.

It is an amenable number.

85897332 is an abundant number, since it is smaller than the sum of its proper divisors (133987788).

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

85897332 is a wasteful number, since it uses less digits than its factorization.

85897332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30292 (or 30287 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 85897332 is about 9268.0813548436. The cubic root of 85897332 is about 441.2247762762.

The spelling of 85897332 in words is "eighty-five million, eight hundred ninety-seven thousand, three hundred thirty-two".