398276 has 12 divisors (see below), whose sum is σ = 738108. Its totient is φ = 187392.

The previous prime is 398273. The next prime is 398287. The reversal of 398276 is 672893.

It can be written as a sum of positive squares in 2 ways, for example, as 348100 + 50176 = 590^2 + 224^2 .

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (398273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2861 + ... + 2996.

It is an arithmetic number, because the mean of its divisors is an integer number (61509).

2³⁹⁸²⁷⁶ is an apocalyptic number.

It is an amenable number.

398276 is a deficient number, since it is larger than the sum of its proper divisors (339832).

398276 is a wasteful number, since it uses less digits than its factorization.

398276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5878 (or 5876 counting only the distinct ones).

The product of its digits is 18144, while the sum is 35.

The square root of 398276 is about 631.0911186192. The cubic root of 398276 is about 73.5746230249.

The spelling of 398276 in words is "three hundred ninety-eight thousand, two hundred seventy-six".