393698 has 8 divisors (see below), whose sum is σ = 596700. Its totient is φ = 194800.

The previous prime is 393697. The next prime is 393709. The reversal of 393698 is 896393.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 316969 + 76729 = 563^2 + 277^2 .

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

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 393698.

It is not an unprimeable number, because it can be changed into a prime (393697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 773 + ... + 1176.

2³⁹³⁶⁹⁸ is an apocalyptic number.

393698 is a deficient number, since it is larger than the sum of its proper divisors (203002).

393698 is a wasteful number, since it uses less digits than its factorization.

393698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2052.

The product of its digits is 34992, while the sum is 38.

The square root of 393698 is about 627.4535839407. The cubic root of 393698 is about 73.2916337768.

The spelling of 393698 in words is "three hundred ninety-three thousand, six hundred ninety-eight".