393700634 has 8 divisors (see below), whose sum is σ = 621632640. Its totient is φ = 186489756.

The previous prime is 393700633. The next prime is 393700661. The reversal of 393700634 is 436007393.

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

It is a junction number, because it is equal to n+sod(n) for n = 393700594 and 393700603.

It is not an unprimeable number, because it can be changed into a prime (393700633) by changing a digit.

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, 5180234 + ... + 5180309.

It is an arithmetic number, because the mean of its divisors is an integer number (77704080).

Almost surely, 2^393700634 is an apocalyptic number.

393700634 is a deficient number, since it is larger than the sum of its proper divisors (227932006).

393700634 is a wasteful number, since it uses less digits than its factorization.

393700634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10360564.

The product of its (nonzero) digits is 40824, while the sum is 35.

The square root of 393700634 is about 19841.8908877153. The cubic root of 393700634 is about 732.9179722672.

The spelling of 393700634 in words is "three hundred ninety-three million, seven hundred thousand, six hundred thirty-four".