394049960 has 16 divisors (see below), whose sum is σ = 886612500. Its totient is φ = 157619968.

The previous prime is 394049923. The next prime is 394049969. The reversal of 394049960 is 69940493.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 383924836 + 10125124 = 19594^2 + 3182^2 .

It is not an unprimeable number, because it can be changed into a prime (394049969) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 4925585 + ... + 4925664.

Almost surely, 2^394049960 is an apocalyptic number.

It is an amenable number.

394049960 is an abundant number, since it is smaller than the sum of its proper divisors (492562540).

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

394049960 is a wasteful number, since it uses less digits than its factorization.

394049960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9851260 (or 9851256 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 44.

The square root of 394049960 is about 19850.6916756067. The cubic root of 394049960 is about 733.1346780545.

The spelling of 394049960 in words is "three hundred ninety-four million, forty-nine thousand, nine hundred sixty".