398562 has 16 divisors (see below), whose sum is σ = 803712. Its totient is φ = 131760.

The previous prime is 398557. The next prime is 398569. The reversal of 398562 is 265893.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (398569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 903 + ... + 1269.

It is an arithmetic number, because the mean of its divisors is an integer number (50232).

2³⁹⁸⁵⁶² is an apocalyptic number.

398562 is an abundant number, since it is smaller than the sum of its proper divisors (405150).

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

398562 is a wasteful number, since it uses less digits than its factorization.

398562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553.

The product of its digits is 12960, while the sum is 33.

The square root of 398562 is about 631.3176696403. The cubic root of 398562 is about 73.5922300005.

The spelling of 398562 in words is "three hundred ninety-eight thousand, five hundred sixty-two".