398370 has 48 divisors (see below), whose sum is σ = 1116288. Its totient is φ = 90720.

The previous prime is 398369. The next prime is 398393. The reversal of 398370 is 73893.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 398370.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1335 + ... + 1605.

It is an arithmetic number, because the mean of its divisors is an integer number (23256).

2³⁹⁸³⁷⁰ is an apocalyptic number.

398370 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 398370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (558144).

398370 is an abundant number, since it is smaller than the sum of its proper divisors (717918).

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

398370 is a wasteful number, since it uses less digits than its factorization.

398370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 398370 is about 631.1655884156. The cubic root of 398370 is about 73.5804108626.

The spelling of 398370 in words is "three hundred ninety-eight thousand, three hundred seventy".