439400034 has 48 divisors (see below), whose sum is σ = 981961344. Its totient is φ = 141912000.

The previous prime is 439399991. The next prime is 439400047. The reversal of 439400034 is 430004934.

It is a junction number, because it is equal to n+sod(n) for n = 439399980 and 439400007.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 109467 + ... + 113409.

It is an arithmetic number, because the mean of its divisors is an integer number (20457528).

Almost surely, 2^439400034 is an apocalyptic number.

439400034 is an abundant number, since it is smaller than the sum of its proper divisors (542561310).

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

439400034 is a wasteful number, since it uses less digits than its factorization.

439400034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4143 (or 4140 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 439400034 is about 20961.8709565726. The cubic root of 439400034 is about 760.2446315441.

Adding to 439400034 its reverse (430004934), we get a palindrome (869404968).

The spelling of 439400034 in words is "four hundred thirty-nine million, four hundred thousand, thirty-four".