394883072 has 104 divisors (see below), whose sum is σ = 859858416. Its totient is φ = 180617216.

The previous prime is 394883057. The next prime is 394883087. The reversal of 394883072 is 270388493.

It is an interprime number because it is at equal distance from previous prime (394883057) and next prime (394883087).

It is a congruent number.

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, 3690443 + ... + 3690549.

Almost surely, 2^394883072 is an apocalyptic number.

394883072 is a gapful number since it is divisible by the number (32) 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 394883072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (429929208).

394883072 is an abundant number, since it is smaller than the sum of its proper divisors (464975344).

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

394883072 is a wasteful number, since it uses less digits than its factorization.

394883072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 394883072 is about 19871.6650535379. The cubic root of 394883072 is about 733.6509859845.

The spelling of 394883072 in words is "three hundred ninety-four million, eight hundred eighty-three thousand, seventy-two".