439804897 has 8 divisors (see below), whose sum is σ = 513328896. Its totient is φ = 368954592.

The previous prime is 439804889. The next prime is 439804931. The reversal of 439804897 is 798408934.

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

It is a cyclic number.

It is not a de Polignac number, because 439804897 - 2³ = 439804889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (439804847) 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, 668068 + ... + 668725.

It is an arithmetic number, because the mean of its divisors is an integer number (64166112).

Almost surely, 2^439804897 is an apocalyptic number.

439804897 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

439804897 is a deficient number, since it is larger than the sum of its proper divisors (73523999).

439804897 is a wasteful number, since it uses less digits than its factorization.

439804897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336847.

The product of its (nonzero) digits is 1741824, while the sum is 52.

The square root of 439804897 is about 20971.5258624641. The cubic root of 439804897 is about 760.4780562238.

The spelling of 439804897 in words is "four hundred thirty-nine million, eight hundred four thousand, eight hundred ninety-seven".