394861160 has 32 divisors (see below), whose sum is σ = 910110600. Its totient is φ = 154091520.

The previous prime is 394861153. The next prime is 394861163. The reversal of 394861160 is 61168493.

It can be written as a sum of positive squares in 4 ways, for example, as 312087556 + 82773604 = 17666^2 + 9098^2 .

It is not an unprimeable number, because it can be changed into a prime (394861163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118745 + ... + 122024.

Almost surely, 2^394861160 is an apocalyptic number.

It is an amenable number.

394861160 is an abundant number, since it is smaller than the sum of its proper divisors (515249440).

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

394861160 is a wasteful number, since it uses less digits than its factorization.

394861160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240821 (or 240817 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 394861160 is about 19871.1137080940. The cubic root of 394861160 is about 733.6374156739.

The spelling of 394861160 in words is "three hundred ninety-four million, eight hundred sixty-one thousand, one hundred sixty".