394089935674 has 16 divisors (see below), whose sum is σ = 632360205288. Its totient is φ = 183542188032.

The previous prime is 394089935641. The next prime is 394089935693. The reversal of 394089935674 is 476539980493.

It can be written as a sum of positive squares in 4 ways, for example, as 316029487225 + 78060448449 = 562165^2 + 279393^2 .

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, 59743509 + ... + 59750104.

Almost surely, 2^394089935674 is an apocalyptic number.

394089935674 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

394089935674 is a deficient number, since it is larger than the sum of its proper divisors (238270269614).

394089935674 is a wasteful number, since it uses less digits than its factorization.

394089935674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119493729.

The product of its (nonzero) digits is 176359680, while the sum is 67.

The spelling of 394089935674 in words is "three hundred ninety-four billion, eighty-nine million, nine hundred thirty-five thousand, six hundred seventy-four".