399461307 has 8 divisors (see below), whose sum is σ = 608702976. Its totient is φ = 228263592.

The previous prime is 399461297. The next prime is 399461311. The reversal of 399461307 is 703164993.

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

It is not a de Polignac number, because 399461307 - 2⁶ = 399461243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (399461327) 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, 9510963 + ... + 9511004.

It is an arithmetic number, because the mean of its divisors is an integer number (76087872).

Almost surely, 2^399461307 is an apocalyptic number.

399461307 is a deficient number, since it is larger than the sum of its proper divisors (209241669).

399461307 is a wasteful number, since it uses less digits than its factorization.

399461307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19021977.

The product of its (nonzero) digits is 122472, while the sum is 42.

The square root of 399461307 is about 19986.5281377232. The cubic root of 399461307 is about 736.4753908050.

The spelling of 399461307 in words is "three hundred ninety-nine million, four hundred sixty-one thousand, three hundred seven".