399260662 has 8 divisors (see below), whose sum is σ = 598975776. Its totient is φ = 199602072.

The previous prime is 399260639. The next prime is 399260663. The reversal of 399260662 is 266062993.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (399260663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20788 + ... + 35080.

It is an arithmetic number, because the mean of its divisors is an integer number (74871972).

Almost surely, 2^399260662 is an apocalyptic number.

399260662 is a deficient number, since it is larger than the sum of its proper divisors (199715114).

399260662 is a wasteful number, since it uses less digits than its factorization.

399260662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28262.

The product of its (nonzero) digits is 209952, while the sum is 43.

The square root of 399260662 is about 19981.5080011495. The cubic root of 399260662 is about 736.3520623372.

The spelling of 399260662 in words is "three hundred ninety-nine million, two hundred sixty thousand, six hundred sixty-two".