439868343 has 4 divisors (see below), whose sum is σ = 586491128. Its totient is φ = 293245560.

The previous prime is 439868329. The next prime is 439868381. The reversal of 439868343 is 343868934.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 439868343 - 2⁵ = 439868311 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 439868292 and 439868301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (439828343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73311388 + ... + 73311393.

It is an arithmetic number, because the mean of its divisors is an integer number (146622782).

Almost surely, 2^439868343 is an apocalyptic number.

439868343 is a deficient number, since it is larger than the sum of its proper divisors (146622785).

439868343 is a wasteful number, since it uses less digits than its factorization.

439868343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146622784.

The product of its digits is 1492992, while the sum is 48.

The square root of 439868343 is about 20973.0384780079. The cubic root of 439868343 is about 760.5146231737.

The spelling of 439868343 in words is "four hundred thirty-nine million, eight hundred sixty-eight thousand, three hundred forty-three".