398284828 has 12 divisors (see below), whose sum is σ = 697643800. Its totient is φ = 198958032.

The previous prime is 398284819. The next prime is 398284847. The reversal of 398284828 is 828482893.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41178 + ... + 49921.

Almost surely, 2^398284828 is an apocalyptic number.

It is an amenable number.

398284828 is a deficient number, since it is larger than the sum of its proper divisors (299358972).

398284828 is a wasteful number, since it uses less digits than its factorization.

398284828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92196 (or 92194 counting only the distinct ones).

The product of its digits is 1769472, while the sum is 52.

The square root of 398284828 is about 19957.0746353267. The cubic root of 398284828 is about 735.7516662782.

The spelling of 398284828 in words is "three hundred ninety-eight million, two hundred eighty-four thousand, eight hundred twenty-eight".