399033323 has 8 divisors (see below), whose sum is σ = 432214608. Its totient is φ = 366207264.

The previous prime is 399033319. The next prime is 399033329. The reversal of 399033323 is 323330993.

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 399033323 - 2² = 399033319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (399033329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86465 + ... + 90962.

It is an arithmetic number, because the mean of its divisors is an integer number (54026826).

Almost surely, 2^399033323 is an apocalyptic number.

399033323 is a deficient number, since it is larger than the sum of its proper divisors (33181285).

399033323 is a wasteful number, since it uses less digits than its factorization.

399033323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177613.

The product of its (nonzero) digits is 39366, while the sum is 35.

The square root of 399033323 is about 19975.8184563236. The cubic root of 399033323 is about 736.2122761939.

The spelling of 399033323 in words is "three hundred ninety-nine million, thirty-three thousand, three hundred twenty-three".