85994452 has 6 divisors (see below), whose sum is σ = 150490298. Its totient is φ = 42997224.

The previous prime is 85994411. The next prime is 85994459. The reversal of 85994452 is 25449958.

It can be written as a sum of positive squares in only one way, i.e., 76667536 + 9326916 = 8756^2 + 3054^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85994459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10749303 + ... + 10749310.

Almost surely, 2^85994452 is an apocalyptic number.

It is an amenable number.

85994452 is a deficient number, since it is larger than the sum of its proper divisors (64495846).

85994452 is a wasteful number, since it uses less digits than its factorization.

85994452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21498617 (or 21498615 counting only the distinct ones).

The product of its digits is 518400, while the sum is 46.

The square root of 85994452 is about 9273.3193625584. The cubic root of 85994452 is about 441.3910042186.

The spelling of 85994452 in words is "eighty-five million, nine hundred ninety-four thousand, four hundred fifty-two".