399814010 has 16 divisors (see below), whose sum is σ = 744481800. Its totient is φ = 154410816.

The previous prime is 399814003. The next prime is 399814013. The reversal of 399814010 is 10418993.

It can be written as a sum of positive squares in 4 ways, for example, as 372991969 + 26822041 = 19313^2 + 5179^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (399814013) 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, 689045 + ... + 689624.

Almost surely, 2^399814010 is an apocalyptic number.

399814010 is a deficient number, since it is larger than the sum of its proper divisors (344667790).

399814010 is a wasteful number, since it uses less digits than its factorization.

399814010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378705.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 399814010 is about 19995.3497093699. The cubic root of 399814010 is about 736.6920831872.

The spelling of 399814010 in words is "three hundred ninety-nine million, eight hundred fourteen thousand, ten".