399310893306 has 48 divisors (see below), whose sum is σ = 931770903336. Its totient is φ = 122858892288.

The previous prime is 399310893283. The next prime is 399310893307. The reversal of 399310893306 is 603398013993.

It can be written as a sum of positive squares in 4 ways, for example, as 85649290281 + 313661603025 = 292659^2 + 560055^2 .

It is not an unprimeable number, because it can be changed into a prime (399310893307) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8473746 + ... + 8520738.

Almost surely, 2^399310893306 is an apocalyptic number.

399310893306 is an abundant number, since it is smaller than the sum of its proper divisors (532460010030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

399310893306 is a wasteful number, since it uses less digits than its factorization.

399310893306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83327 (or 83324 counting only the distinct ones).

The product of its (nonzero) digits is 2834352, while the sum is 54.

The spelling of 399310893306 in words is "three hundred ninety-nine billion, three hundred ten million, eight hundred ninety-three thousand, three hundred six".