394351130 has 16 divisors (see below), whose sum is σ = 711153864. Its totient is φ = 157446720.

The previous prime is 394351117. The next prime is 394351157. The reversal of 394351130 is 31153493.

It can be written as a sum of positive squares in 4 ways, for example, as 174689089 + 219662041 = 13217^2 + 14821^2 .

It is a junction number, because it is equal to n+sod(n) for n = 394351093 and 394351102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31037 + ... + 41856.

Almost surely, 2^394351130 is an apocalyptic number.

394351130 is a deficient number, since it is larger than the sum of its proper divisors (316802734).

394351130 is a wasteful number, since it uses less digits than its factorization.

394351130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73441.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 394351130 is about 19858.2761084642. The cubic root of 394351130 is about 733.3214072900.

The spelling of 394351130 in words is "three hundred ninety-four million, three hundred fifty-one thousand, one hundred thirty".