399001208 has 8 divisors (see below), whose sum is σ = 748127280. Its totient is φ = 199500600.

The previous prime is 399001201. The next prime is 399001219. The reversal of 399001208 is 802100993.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (399001201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24937568 + ... + 24937583.

It is an arithmetic number, because the mean of its divisors is an integer number (93515910).

Almost surely, 2^399001208 is an apocalyptic number.

It is an amenable number.

399001208 is a deficient number, since it is larger than the sum of its proper divisors (349126072).

399001208 is a wasteful number, since it uses less digits than its factorization.

399001208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49875157 (or 49875153 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 399001208 is about 19975.0145932362. The cubic root of 399001208 is about 736.1925250518.

The spelling of 399001208 in words is "three hundred ninety-nine million, one thousand, two hundred eight".