85380449 has 16 divisors (see below), whose sum is σ = 107298816. Its totient is φ = 65998800.

The previous prime is 85380401. The next prime is 85380461. The reversal of 85380449 is 94408358.

It is not a de Polignac number, because 85380449 - 2²⁴ = 68603233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85380469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5414 + ... + 14144.

It is an arithmetic number, because the mean of its divisors is an integer number (6706176).

Almost surely, 2^85380449 is an apocalyptic number.

It is an amenable number.

85380449 is a deficient number, since it is larger than the sum of its proper divisors (21918367).

85380449 is a wasteful number, since it uses less digits than its factorization.

85380449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8876.

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 85380449 is about 9240.1541653806. The cubic root of 85380449 is about 440.3379789568.

The spelling of 85380449 in words is "eighty-five million, three hundred eighty thousand, four hundred forty-nine".