394827144 has 96 divisors (see below), whose sum is σ = 1051560000. Its totient is φ = 123513984.

The previous prime is 394827113. The next prime is 394827271. The reversal of 394827144 is 441728493.

It is a junction number, because it is equal to n+sod(n) for n = 394827096 and 394827105.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1724022 + ... + 1724250.

It is an arithmetic number, because the mean of its divisors is an integer number (10953750).

Almost surely, 2^394827144 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 394827144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (525780000).

394827144 is an abundant number, since it is smaller than the sum of its proper divisors (656732856).

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

394827144 is a wasteful number, since it uses less digits than its factorization.

394827144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475 (or 452 counting only the distinct ones).

The product of its digits is 193536, while the sum is 42.

The square root of 394827144 is about 19870.2577738690. The cubic root of 394827144 is about 733.6163482461.

The spelling of 394827144 in words is "three hundred ninety-four million, eight hundred twenty-seven thousand, one hundred forty-four".