399030130 has 8 divisors (see below), whose sum is σ = 718254252. Its totient is φ = 159612048.

The previous prime is 399030127. The next prime is 399030139. The reversal of 399030130 is 31030993.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 394141609 + 4888521 = 19853^2 + 2211^2 .

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

It is not an unprimeable number, because it can be changed into a prime (399030139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19951497 + ... + 19951516.

Almost surely, 2^399030130 is an apocalyptic number.

399030130 is a deficient number, since it is larger than the sum of its proper divisors (319224122).

399030130 is a wasteful number, since it uses less digits than its factorization.

399030130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39903020.

The product of its (nonzero) digits is 2187, while the sum is 28.

The square root of 399030130 is about 19975.7385345323. The cubic root of 399030130 is about 736.2103125048.

The spelling of 399030130 in words is "three hundred ninety-nine million, thirty thousand, one hundred thirty".