399329295 has 16 divisors (see below), whose sum is σ = 650983392. Its totient is φ = 208956800.

The previous prime is 399329291. The next prime is 399329317. The reversal of 399329295 is 592923993.

It is not a de Polignac number, because 399329295 - 2² = 399329291 is a prime.

It is a super-3 number, since 3×399329295³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (399329291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 250356 + ... + 251945.

It is an arithmetic number, because the mean of its divisors is an integer number (40686462).

Almost surely, 2^399329295 is an apocalyptic number.

399329295 is a deficient number, since it is larger than the sum of its proper divisors (251654097).

399329295 is a wasteful number, since it uses less digits than its factorization.

399329295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502362.

The product of its digits is 1180980, while the sum is 51.

The square root of 399329295 is about 19983.2253402698. The cubic root of 399329295 is about 736.3942529496.

The spelling of 399329295 in words is "three hundred ninety-nine million, three hundred twenty-nine thousand, two hundred ninety-five".