85446472 has 16 divisors (see below), whose sum is σ = 167178240. Its totient is φ = 40865616.

The previous prime is 85446457. The next prime is 85446481. The reversal of 85446472 is 27464458.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232008 + ... + 232375.

It is an arithmetic number, because the mean of its divisors is an integer number (10448640).

Almost surely, 2^85446472 is an apocalyptic number.

It is an amenable number.

85446472 is a deficient number, since it is larger than the sum of its proper divisors (81731768).

85446472 is a wasteful number, since it uses less digits than its factorization.

85446472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464412 (or 464408 counting only the distinct ones).

The product of its digits is 215040, while the sum is 40.

The square root of 85446472 is about 9243.7260885424. The cubic root of 85446472 is about 440.4514512416.

The spelling of 85446472 in words is "eighty-five million, four hundred forty-six thousand, four hundred seventy-two".