439364655 has 28 divisors (see below), whose sum is σ = 790501320. Its totient is φ = 234325872.

The previous prime is 439364623. The next prime is 439364659. The reversal of 439364655 is 556463934.

It is not a de Polignac number, because 439364655 - 2⁵ = 439364623 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 439364655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (439364659) 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 27 ways as a sum of consecutive naturals, for example, 56625 + ... + 63914.

It is an arithmetic number, because the mean of its divisors is an integer number (28232190).

Almost surely, 2^439364655 is an apocalyptic number.

439364655 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

439364655 is a deficient number, since it is larger than the sum of its proper divisors (351136665).

439364655 is an equidigital number, since it uses as much as digits as its factorization.

439364655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120562 (or 120547 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 45.

The square root of 439364655 is about 20961.0270502187. The cubic root of 439364655 is about 760.2242268903.

The spelling of 439364655 in words is "four hundred thirty-nine million, three hundred sixty-four thousand, six hundred fifty-five".