393446068 has 12 divisors (see below), whose sum is σ = 688704352. Its totient is φ = 196673400.

The previous prime is 393446059. The next prime is 393446089. The reversal of 393446068 is 860644393.

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, 9871 + ... + 29737.

Almost surely, 2^393446068 is an apocalyptic number.

It is an amenable number.

393446068 is a deficient number, since it is larger than the sum of its proper divisors (295258284).

393446068 is a wasteful number, since it uses less digits than its factorization.

393446068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24822 (or 24820 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 43.

The square root of 393446068 is about 19835.4749880107. The cubic root of 393446068 is about 732.7599704692.

The spelling of 393446068 in words is "three hundred ninety-three million, four hundred forty-six thousand, sixty-eight".