399014441 has 4 divisors (see below), whose sum is σ = 456016512. Its totient is φ = 342012372.

The previous prime is 399014437. The next prime is 399014461. The reversal of 399014441 is 144410993.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 399014441 - 2² = 399014437 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (399014411) 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, 28501025 + ... + 28501038.

It is an arithmetic number, because the mean of its divisors is an integer number (114004128).

Almost surely, 2^399014441 is an apocalyptic number.

It is an amenable number.

399014441 is a deficient number, since it is larger than the sum of its proper divisors (57002071).

399014441 is an equidigital number, since it uses as much as digits as its factorization.

399014441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57002070.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 399014441 is about 19975.3458292967. The cubic root of 399014441 is about 736.2006636470.

The spelling of 399014441 in words is "three hundred ninety-nine million, fourteen thousand, four hundred forty-one".