439172961 has 8 divisors (see below), whose sum is σ = 585724704. Its totient is φ = 292701600.

The previous prime is 439172927. The next prime is 439172963. The reversal of 439172961 is 169271934.

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

It is not a de Polignac number, because 439172961 - 2⁹ = 439172449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (439172963) 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, 5916 + ... + 30221.

It is an arithmetic number, because the mean of its divisors is an integer number (73215588).

Almost surely, 2^439172961 is an apocalyptic number.

It is an amenable number.

439172961 is a deficient number, since it is larger than the sum of its proper divisors (146551743).

439172961 is a wasteful number, since it uses less digits than its factorization.

439172961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40191.

The product of its digits is 81648, while the sum is 42.

The square root of 439172961 is about 20956.4539223601. The cubic root of 439172961 is about 760.1136493246.

The spelling of 439172961 in words is "four hundred thirty-nine million, one hundred seventy-two thousand, nine hundred sixty-one".