399066296 has 16 divisors (see below), whose sum is σ = 792264240. Its totient is φ = 187795840.

The previous prime is 399066289. The next prime is 399066319. The reversal of 399066296 is 692660993.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1467020 + ... + 1467291.

It is an arithmetic number, because the mean of its divisors is an integer number (49516515).

Almost surely, 2^399066296 is an apocalyptic number.

It is an amenable number.

399066296 is a deficient number, since it is larger than the sum of its proper divisors (393197944).

399066296 is a wasteful number, since it uses less digits than its factorization.

399066296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2934334 (or 2934330 counting only the distinct ones).

The product of its (nonzero) digits is 944784, while the sum is 50.

The square root of 399066296 is about 19976.6437621538. The cubic root of 399066296 is about 736.2325539145.

The spelling of 399066296 in words is "three hundred ninety-nine million, sixty-six thousand, two hundred ninety-six".