394025444 has 6 divisors (see below), whose sum is σ = 689544534. Its totient is φ = 197012720.

The previous prime is 394025417. The next prime is 394025497. The reversal of 394025444 is 444520493.

It can be written as a sum of positive squares in only one way, i.e., 254785444 + 139240000 = 15962^2 + 11800^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49253177 + ... + 49253184.

It is an arithmetic number, because the mean of its divisors is an integer number (114924089).

Almost surely, 2^394025444 is an apocalyptic number.

It is an amenable number.

394025444 is a deficient number, since it is larger than the sum of its proper divisors (295519090).

394025444 is a wasteful number, since it uses less digits than its factorization.

394025444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98506365 (or 98506363 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

The square root of 394025444 is about 19850.0741560328. The cubic root of 394025444 is about 733.1194736352.

The spelling of 394025444 in words is "three hundred ninety-four million, twenty-five thousand, four hundred forty-four".