398292 has 12 divisors (see below), whose sum is σ = 929376. Its totient is φ = 132760.

The previous prime is 398287. The next prime is 398303. The reversal of 398292 is 292893.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 398292.

It is an unprimeable number.

398292 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16584 + ... + 16607.

It is an arithmetic number, because the mean of its divisors is an integer number (77448).

2³⁹⁸²⁹² is an apocalyptic number.

It is an amenable number.

398292 is an abundant number, since it is smaller than the sum of its proper divisors (531084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

398292 is a wasteful number, since it uses less digits than its factorization.

398292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33198 (or 33196 counting only the distinct ones).

The product of its digits is 7776, while the sum is 33.

The square root of 398292 is about 631.1037949498. The cubic root of 398292 is about 73.5756082531.

The spelling of 398292 in words is "three hundred ninety-eight thousand, two hundred ninety-two".