394944282 has 32 divisors (see below), whose sum is σ = 878486400. Its totient is φ = 131523264.

The previous prime is 394944281. The next prime is 394944283. The reversal of 394944282 is 282449493.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (394944281) and next prime (394944283).

It is not an unprimeable number, because it can be changed into a prime (394944281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67219 + ... + 72857.

It is an arithmetic number, because the mean of its divisors is an integer number (27452700).

Almost surely, 2^394944282 is an apocalyptic number.

394944282 is an abundant number, since it is smaller than the sum of its proper divisors (483542118).

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

394944282 is a wasteful number, since it uses less digits than its factorization.

394944282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6947 (or 6941 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 394944282 is about 19873.2051265014. The cubic root of 394944282 is about 733.6888912615.

The spelling of 394944282 in words is "three hundred ninety-four million, nine hundred forty-four thousand, two hundred eighty-two".