394843160 has 64 divisors (see below), whose sum is σ = 904543200. Its totient is φ = 155094016.

The previous prime is 394843117. The next prime is 394843171. The reversal of 394843160 is 61348493.

It is a super-2 number, since 2×394843160² = 311802241997571200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 701039 + ... + 701601.

Almost surely, 2^394843160 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 394843160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (452271600).

394843160 is an abundant number, since it is smaller than the sum of its proper divisors (509700040).

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

394843160 is a wasteful number, since it uses less digits than its factorization.

394843160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860 (or 856 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 394843160 is about 19870.6607841813. The cubic root of 394843160 is about 733.6262677267.

The spelling of 394843160 in words is "three hundred ninety-four million, eight hundred forty-three thousand, one hundred sixty".