393860374 has 8 divisors (see below), whose sum is σ = 590878728. Its totient is φ = 196900800.

The previous prime is 393860353. The next prime is 393860381. The reversal of 393860374 is 473068393.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 393860374.

It is a congruent number.

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, 11149 + ... + 30199.

It is an arithmetic number, because the mean of its divisors is an integer number (73859841).

Almost surely, 2^393860374 is an apocalyptic number.

393860374 is a deficient number, since it is larger than the sum of its proper divisors (197018354).

393860374 is a wasteful number, since it uses less digits than its factorization.

393860374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29390.

The product of its (nonzero) digits is 326592, while the sum is 43.

The square root of 393860374 is about 19845.9158014943. The cubic root of 393860374 is about 733.0170835176.

The spelling of 393860374 in words is "three hundred ninety-three million, eight hundred sixty thousand, three hundred seventy-four".