439133085 has 24 divisors (see below), whose sum is σ = 764014680. Its totient is φ = 233327232.

The previous prime is 439133077. The next prime is 439133099. The reversal of 439133085 is 580331934.

It can be written as a sum of positive squares in 4 ways, for example, as 23707161 + 415425924 = 4869^2 + 20382^2 .

It is not a de Polignac number, because 439133085 - 2³ = 439133077 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6034 + ... + 30243.

It is an arithmetic number, because the mean of its divisors is an integer number (31833945).

Almost surely, 2^439133085 is an apocalyptic number.

439133085 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

439133085 is a deficient number, since it is larger than the sum of its proper divisors (324881595).

439133085 is a wasteful number, since it uses less digits than its factorization.

439133085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36557 (or 36554 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 439133085 is about 20955.5024993437. The cubic root of 439133085 is about 760.0906430439.

The spelling of 439133085 in words is "four hundred thirty-nine million, one hundred thirty-three thousand, eighty-five".