398236 has 6 divisors (see below), whose sum is σ = 696920. Its totient is φ = 199116.

The previous prime is 398227. The next prime is 398249. The reversal of 398236 is 632893.

It is a happy number.

398236 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 398198 and 398207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49776 + ... + 49783.

2³⁹⁸²³⁶ is an apocalyptic number.

It is an amenable number.

398236 is a deficient number, since it is larger than the sum of its proper divisors (298684).

398236 is a wasteful number, since it uses less digits than its factorization.

398236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99563 (or 99561 counting only the distinct ones).

The product of its digits is 7776, while the sum is 31.

The square root of 398236 is about 631.0594266787. The cubic root of 398236 is about 73.5721598390.

The spelling of 398236 in words is "three hundred ninety-eight thousand, two hundred thirty-six".