394941888 has 168 divisors, whose sum is σ = 1251484416. Its totient is φ = 118080000.

The previous prime is 394941863. The next prime is 394941907. The reversal of 394941888 is 888149493.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 525513 + ... + 526263.

It is an arithmetic number, because the mean of its divisors is an integer number (7449312).

Almost surely, 2^394941888 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 394941888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (625742208).

394941888 is an abundant number, since it is smaller than the sum of its proper divisors (856542528).

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

394941888 is a wasteful number, since it uses less digits than its factorization.

394941888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863 (or 850 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 54.

The square root of 394941888 is about 19873.1448945556. The cubic root of 394941888 is about 733.6874088121.

The spelling of 394941888 in words is "three hundred ninety-four million, nine hundred forty-one thousand, eight hundred eighty-eight".