399059377 has 8 divisors (see below), whose sum is σ = 429461352. Its totient is φ = 369427200.

The previous prime is 399059351. The next prime is 399059431. The reversal of 399059377 is 773950993.

It can be written as a sum of positive squares in 4 ways, for example, as 4004001 + 395055376 = 2001^2 + 19876^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-399059377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (399059347) 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, 191374 + ... + 193447.

It is an arithmetic number, because the mean of its divisors is an integer number (53682669).

Almost surely, 2^399059377 is an apocalyptic number.

It is an amenable number.

399059377 is a deficient number, since it is larger than the sum of its proper divisors (30401975).

399059377 is a wasteful number, since it uses less digits than its factorization.

399059377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384899.

The product of its (nonzero) digits is 1607445, while the sum is 52.

The square root of 399059377 is about 19976.4705841648. The cubic root of 399059377 is about 736.2282989636.

The spelling of 399059377 in words is "three hundred ninety-nine million, fifty-nine thousand, three hundred seventy-seven".