396698 has 4 divisors (see below), whose sum is σ = 595050. Its totient is φ = 198348.

The previous prime is 396679. The next prime is 396703. The reversal of 396698 is 896693.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 896693 = 7 ⋅128099.

It can be written as a sum of positive squares in only one way, i.e., 214369 + 182329 = 463^2 + 427^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99173 + ... + 99176.

2³⁹⁶⁶⁹⁸ is an apocalyptic number.

396698 is a deficient number, since it is larger than the sum of its proper divisors (198352).

396698 is a wasteful number, since it uses less digits than its factorization.

396698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198351.

The product of its digits is 69984, while the sum is 41.

The square root of 396698 is about 629.8396621363. The cubic root of 396698 is about 73.4773249813.

The spelling of 396698 in words is "three hundred ninety-six thousand, six hundred ninety-eight".