85907634 has 48 divisors (see below), whose sum is σ = 181885824. Its totient is φ = 27036960.

The previous prime is 85907629. The next prime is 85907651. The reversal of 85907634 is 43670958.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 270844 + ... + 271160.

It is an arithmetic number, because the mean of its divisors is an integer number (3789288).

Almost surely, 2^85907634 is an apocalyptic number.

85907634 is an abundant number, since it is smaller than the sum of its proper divisors (95978190).

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

85907634 is a wasteful number, since it uses less digits than its factorization.

85907634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431 (or 400 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 85907634 is about 9268.6371166423. The cubic root of 85907634 is about 441.2424148370.

The spelling of 85907634 in words is "eighty-five million, nine hundred seven thousand, six hundred thirty-four".