399141699 has 8 divisors (see below), whose sum is σ = 580569792. Its totient is φ = 241904040.

The previous prime is 399141661. The next prime is 399141739. The reversal of 399141699 is 996141993.

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

It is not a de Polignac number, because 399141699 - 2¹² = 399137603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (399141629) 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, 6047569 + ... + 6047634.

It is an arithmetic number, because the mean of its divisors is an integer number (72571224).

Almost surely, 2^399141699 is an apocalyptic number.

399141699 is a deficient number, since it is larger than the sum of its proper divisors (181428093).

399141699 is a wasteful number, since it uses less digits than its factorization.

399141699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12095217.

The product of its digits is 472392, while the sum is 51.

The square root of 399141699 is about 19978.5309519994. The cubic root of 399141699 is about 736.2789210201.

The spelling of 399141699 in words is "three hundred ninety-nine million, one hundred forty-one thousand, six hundred ninety-nine".