393946348 has 12 divisors (see below), whose sum is σ = 689650920. Its totient is φ = 196903232.

The previous prime is 393946337. The next prime is 393946351. The reversal of 393946348 is 843649393.

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 in 3 ways as a sum of consecutive naturals, for example, 3586 + ... + 28297.

It is an arithmetic number, because the mean of its divisors is an integer number (57470910).

Almost surely, 2^393946348 is an apocalyptic number.

It is an amenable number.

393946348 is a deficient number, since it is larger than the sum of its proper divisors (295704572).

393946348 is a wasteful number, since it uses less digits than its factorization.

393946348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34976 (or 34974 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 49.

The square root of 393946348 is about 19848.0817209120. The cubic root of 393946348 is about 733.0704152987.

The spelling of 393946348 in words is "three hundred ninety-three million, nine hundred forty-six thousand, three hundred forty-eight".