394588044 has 48 divisors (see below), whose sum is σ = 1027353600. Its totient is φ = 130970448.

The previous prime is 394588043. The next prime is 394588087. The reversal of 394588044 is 440885493.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (394588043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18169 + ... + 33455.

It is an arithmetic number, because the mean of its divisors is an integer number (21403200).

Almost surely, 2^394588044 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 394588044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (513676800).

394588044 is an abundant number, since it is smaller than the sum of its proper divisors (632765556).

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

394588044 is a wasteful number, since it uses less digits than its factorization.

394588044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15539 (or 15531 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The square root of 394588044 is about 19864.2403328192. The cubic root of 394588044 is about 733.4682301888.

The spelling of 394588044 in words is "three hundred ninety-four million, five hundred eighty-eight thousand, forty-four".