398076 has 36 divisors (see below), whose sum is σ = 1082088. Its totient is φ = 113568.

The previous prime is 398063. The next prime is 398077. The reversal of 398076 is 670893.

It is a happy number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398077) by changing a digit.

398076 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 11 ways as a sum of consecutive naturals, for example, 250 + ... + 926.

It is an arithmetic number, because the mean of its divisors is an integer number (30058).

2³⁹⁸⁰⁷⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 398076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (541044).

398076 is an abundant number, since it is smaller than the sum of its proper divisors (684012).

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

398076 is a wasteful number, since it uses less digits than its factorization.

398076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698 (or 689 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 398076 is about 630.9326429976. The cubic root of 398076 is about 73.5623054458.

The spelling of 398076 in words is "three hundred ninety-eight thousand, seventy-six".