398796 has 24 divisors (see below), whose sum is σ = 940800. Its totient is φ = 131472.

The previous prime is 398771. The next prime is 398813. The reversal of 398796 is 697893.

It is a happy number.

It is a d-powerful number, because it can be written as 3⁵ + 9⁵ + 7 + 8³ + 9⁵ + 6⁷ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1905 + ... + 2103.

It is an arithmetic number, because the mean of its divisors is an integer number (39200).

2³⁹⁸⁷⁹⁶ is an apocalyptic number.

It is an amenable number.

398796 is an abundant number, since it is smaller than the sum of its proper divisors (542004).

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

398796 is a wasteful number, since it uses less digits than its factorization.

398796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373 (or 371 counting only the distinct ones).

The product of its digits is 81648, while the sum is 42.

The square root of 398796 is about 631.5029691142. The cubic root of 398796 is about 73.6066294438.

The spelling of 398796 in words is "three hundred ninety-eight thousand, seven hundred ninety-six".