85621446 has 12 divisors (see below), whose sum is σ = 185513172. Its totient is φ = 28540476.

The previous prime is 85621423. The next prime is 85621477. The reversal of 85621446 is 64412658.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 85621446.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2378356 + ... + 2378391.

It is an arithmetic number, because the mean of its divisors is an integer number (15459431).

Almost surely, 2^85621446 is an apocalyptic number.

85621446 is an abundant number, since it is smaller than the sum of its proper divisors (99891726).

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

85621446 is a wasteful number, since it uses less digits than its factorization.

85621446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4756755 (or 4756752 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 85621446 is about 9253.1857216853. The cubic root of 85621446 is about 440.7518927729.

The spelling of 85621446 in words is "eighty-five million, six hundred twenty-one thousand, four hundred forty-six".