398262 has 8 divisors (see below), whose sum is σ = 796536. Its totient is φ = 132752.

The previous prime is 398261. The next prime is 398267. The reversal of 398262 is 262893.

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

398262 is an admirable number.

It is a super-2 number, since 2×398262² = 317225241288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33183 + ... + 33194.

It is an arithmetic number, because the mean of its divisors is an integer number (99567).

2³⁹⁸²⁶² is an apocalyptic number.

398262 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

398262 is a wasteful number, since it uses less digits than its factorization.

398262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66382.

The product of its digits is 5184, while the sum is 30.

The square root of 398262 is about 631.0800266210. The cubic root of 398262 is about 73.5737609286.

The spelling of 398262 in words is "three hundred ninety-eight thousand, two hundred sixty-two".