394249876 has 12 divisors (see below), whose sum is σ = 691357408. Its totient is φ = 196719192.

The previous prime is 394249861. The next prime is 394249883. The reversal of 394249876 is 678942493.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99246 + ... + 103141.

Almost surely, 2^394249876 is an apocalyptic number.

It is an amenable number.

394249876 is a deficient number, since it is larger than the sum of its proper divisors (297107532).

394249876 is a wasteful number, since it uses less digits than its factorization.

394249876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202878 (or 202876 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 52.

The square root of 394249876 is about 19855.7265291402. The cubic root of 394249876 is about 733.2586391324.

The spelling of 394249876 in words is "three hundred ninety-four million, two hundred forty-nine thousand, eight hundred seventy-six".