396998 has 12 divisors (see below), whose sum is σ = 692892. Its totient is φ = 170100.

The previous prime is 396997. The next prime is 397013. The reversal of 396998 is 899693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396997) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1928 + ... + 2123.

It is an arithmetic number, because the mean of its divisors is an integer number (57741).

2³⁹⁶⁹⁹⁸ is an apocalyptic number.

396998 is a deficient number, since it is larger than the sum of its proper divisors (295894).

396998 is a wasteful number, since it uses less digits than its factorization.

396998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4067 (or 4060 counting only the distinct ones).

The product of its digits is 104976, while the sum is 44.

The square root of 396998 is about 630.0777729773. The cubic root of 396998 is about 73.4958425464.

The spelling of 396998 in words is "three hundred ninety-six thousand, nine hundred ninety-eight".