439445949 has 8 divisors (see below), whose sum is σ = 596983392. Its totient is φ = 287436240.

The previous prime is 439445947. The next prime is 439445959. The reversal of 439445949 is 949544934.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 439445949 - 2¹ = 439445947 is a prime.

It is a super-2 number, since 2×439445949² = 386225484185021202, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (439445947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1381747 + ... + 1382064.

It is an arithmetic number, because the mean of its divisors is an integer number (74622924).

Almost surely, 2^439445949 is an apocalyptic number.

It is an amenable number.

439445949 is a deficient number, since it is larger than the sum of its proper divisors (157537443).

439445949 is a wasteful number, since it uses less digits than its factorization.

439445949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2763867.

The product of its digits is 2799360, while the sum is 51.

The square root of 439445949 is about 20962.9661307745. The cubic root of 439445949 is about 760.2711111480.

The spelling of 439445949 in words is "four hundred thirty-nine million, four hundred forty-five thousand, nine hundred forty-nine".