85658412 has 48 divisors (see below), whose sum is σ = 229082112. Its totient is φ = 24403200.

The previous prime is 85658399. The next prime is 85658423. The reversal of 85658412 is 21485658.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32413 + ... + 34955.

It is an arithmetic number, because the mean of its divisors is an integer number (4772544).

Almost surely, 2^85658412 is an apocalyptic number.

It is an amenable number.

85658412 is an abundant number, since it is smaller than the sum of its proper divisors (143423700).

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

85658412 is a wasteful number, since it uses less digits than its factorization.

85658412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2958 (or 2956 counting only the distinct ones).

The product of its digits is 76800, while the sum is 39.

The square root of 85658412 is about 9255.1829803629. The cubic root of 85658412 is about 440.8153133723.

The spelling of 85658412 in words is "eighty-five million, six hundred fifty-eight thousand, four hundred twelve".