394316160 has 128 divisors (see below), whose sum is σ = 1436486400. Its totient is φ = 90126336.

The previous prime is 394316159. The next prime is 394316171. The reversal of 394316160 is 61613493.

It is a tau number, because it is divible by the number of its divisors (128).

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, 1230 + ... + 28109.

It is an arithmetic number, because the mean of its divisors is an integer number (11222550).

Almost surely, 2^394316160 is an apocalyptic number.

394316160 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 394316160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (718243200).

394316160 is an abundant number, since it is smaller than the sum of its proper divisors (1042170240).

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

394316160 is a wasteful number, since it uses less digits than its factorization.

394316160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29368 (or 29356 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 394316160 is about 19857.3955996248. The cubic root of 394316160 is about 733.2997303244.

The spelling of 394316160 in words is "three hundred ninety-four million, three hundred sixteen thousand, one hundred sixty".