439488900 has 54 divisors (see below), whose sum is σ = 1377556362. Its totient is φ = 117196800.

The previous prime is 439488893. The next prime is 439488941. The reversal of 439488900 is 9884934.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 70157376 + 369331524 = 8376^2 + 19218^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 243261 + ... + 245060.

It is an arithmetic number, because the mean of its divisors is an integer number (25510303).

Almost surely, 2^439488900 is an apocalyptic number.

It is an amenable number.

439488900 is an abundant number, since it is smaller than the sum of its proper divisors (938067462).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

439488900 is a wasteful number, since it uses less digits than its factorization.

439488900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488341 (or 488331 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 439488900 is about 20963.9905552354. The cubic root of 439488900 is about 760.2958797160.

The spelling of 439488900 in words is "four hundred thirty-nine million, four hundred eighty-eight thousand, nine hundred".