85449441 has 32 divisors (see below), whose sum is σ = 149529600. Its totient is φ = 42050880.

The previous prime is 85449433. The next prime is 85449449. The reversal of 85449441 is 14494458.

It is an interprime number because it is at equal distance from previous prime (85449433) and next prime (85449449).

It is not a de Polignac number, because 85449441 - 2³ = 85449433 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85449441.

It is not an unprimeable number, because it can be changed into a prime (85449449) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5346 + ... + 14123.

It is an arithmetic number, because the mean of its divisors is an integer number (4672800).

Almost surely, 2^85449441 is an apocalyptic number.

It is an amenable number.

85449441 is a deficient number, since it is larger than the sum of its proper divisors (64080159).

85449441 is a wasteful number, since it uses less digits than its factorization.

85449441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19509.

The product of its digits is 92160, while the sum is 39.

The square root of 85449441 is about 9243.8866825595. The cubic root of 85449441 is about 440.4565526234.

The spelling of 85449441 in words is "eighty-five million, four hundred forty-nine thousand, four hundred forty-one".