399106258 has 8 divisors (see below), whose sum is σ = 624688128. Its totient is φ = 190876884.

The previous prime is 399106249. The next prime is 399106277. The reversal of 399106258 is 852601993.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 4338066 + ... + 4338157.

It is an arithmetic number, because the mean of its divisors is an integer number (78086016).

Almost surely, 2^399106258 is an apocalyptic number.

399106258 is a deficient number, since it is larger than the sum of its proper divisors (225581870).

399106258 is a wasteful number, since it uses less digits than its factorization.

399106258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8676248.

The product of its (nonzero) digits is 116640, while the sum is 43.

The square root of 399106258 is about 19977.6439551815. The cubic root of 399106258 is about 736.2571282301.

The spelling of 399106258 in words is "three hundred ninety-nine million, one hundred six thousand, two hundred fifty-eight".