394600998018 has 16 divisors (see below), whose sum is σ = 799191895680. Its totient is φ = 129868682736.

The previous prime is 394600998007. The next prime is 394600998019. The reversal of 394600998018 is 810899006493.

It is a super-4 number, since 4×394600998018⁴ (a number of 47 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (394600998019) 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, 416245305 + ... + 416246252.

It is an arithmetic number, because the mean of its divisors is an integer number (49949493480).

Almost surely, 2^394600998018 is an apocalyptic number.

394600998018 is an abundant number, since it is smaller than the sum of its proper divisors (404590897662).

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

394600998018 is a wasteful number, since it uses less digits than its factorization.

394600998018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832491641.

The product of its (nonzero) digits is 3359232, while the sum is 57.

The spelling of 394600998018 in words is "three hundred ninety-four billion, six hundred million, nine hundred ninety-eight thousand, eighteen".