394985130 has 16 divisors (see below), whose sum is σ = 947964384. Its totient is φ = 105329360.

The previous prime is 394985093. The next prime is 394985137. The reversal of 394985130 is 31589493.

It is a super-2 number, since 2×394985130² = 312026505842233800, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (394985137) 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, 6583056 + ... + 6583115.

It is an arithmetic number, because the mean of its divisors is an integer number (59247774).

Almost surely, 2^394985130 is an apocalyptic number.

394985130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

394985130 is an abundant number, since it is smaller than the sum of its proper divisors (552979254).

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

394985130 is a wasteful number, since it uses less digits than its factorization.

394985130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13166181.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 394985130 is about 19874.2328153818. The cubic root of 394985130 is about 733.7141848637.

The spelling of 394985130 in words is "three hundred ninety-four million, nine hundred eighty-five thousand, one hundred thirty".