399035234 has 16 divisors (see below), whose sum is σ = 672622272. Its totient is φ = 176162448.

The previous prime is 399035201. The next prime is 399035239. The reversal of 399035234 is 432530993.

It is not an unprimeable number, because it can be changed into a prime (399035239) 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, 333044 + ... + 334239.

It is an arithmetic number, because the mean of its divisors is an integer number (42038892).

Almost surely, 2^399035234 is an apocalyptic number.

399035234 is a deficient number, since it is larger than the sum of its proper divisors (273587038).

399035234 is a wasteful number, since it uses less digits than its factorization.

399035234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667321.

The product of its (nonzero) digits is 87480, while the sum is 38.

The square root of 399035234 is about 19975.8662891000. The cubic root of 399035234 is about 736.2134514503.

The spelling of 399035234 in words is "three hundred ninety-nine million, thirty-five thousand, two hundred thirty-four".