394900576 has 48 divisors (see below), whose sum is σ = 891039744. Its totient is φ = 168764544.

The previous prime is 394900573. The next prime is 394900577. The reversal of 394900576 is 675009493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394900573) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 83491 + ... + 88093.

It is an arithmetic number, because the mean of its divisors is an integer number (18563328).

Almost surely, 2^394900576 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 394900576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (445519872).

394900576 is an abundant number, since it is smaller than the sum of its proper divisors (496139168).

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

394900576 is a wasteful number, since it uses less digits than its factorization.

394900576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5003 (or 4995 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 43.

The square root of 394900576 is about 19872.1054747603. The cubic root of 394900576 is about 733.6618260179.

The spelling of 394900576 in words is "three hundred ninety-four million, nine hundred thousand, five hundred seventy-six".