394574130 has 24 divisors (see below), whose sum is σ = 1025892972. Its totient is φ = 105219744.

The previous prime is 394574077. The next prime is 394574143. The reversal of 394574130 is 31475493.

It can be written as a sum of positive squares in 2 ways, for example, as 373146489 + 21427641 = 19317^2 + 4629^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2191989 + ... + 2192168.

Almost surely, 2^394574130 is an apocalyptic number.

394574130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

394574130 is an abundant number, since it is smaller than the sum of its proper divisors (631318842).

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

394574130 is a wasteful number, since it uses less digits than its factorization.

394574130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4384170 (or 4384167 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 394574130 is about 19863.8901023943. The cubic root of 394574130 is about 733.4596088793.

The spelling of 394574130 in words is "three hundred ninety-four million, five hundred seventy-four thousand, one hundred thirty".