1238398 has 16 divisors (see below), whose sum is σ = 2164320. Its totient is φ = 520416.

The previous prime is 1238383. The next prime is 1238407. The reversal of 1238398 is 8938321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93 + ... + 1576.

It is an arithmetic number, because the mean of its divisors is an integer number (135270).

2^1238398 is an apocalyptic number.

1238398 is a deficient number, since it is larger than the sum of its proper divisors (925922).

1238398 is a wasteful number, since it uses less digits than its factorization.

1238398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1731.

The product of its digits is 10368, while the sum is 34.

The square root of 1238398 is about 1112.8333208527. The cubic root of 1238398 is about 107.3874213543.

The spelling of 1238398 in words is "one million, two hundred thirty-eight thousand, three hundred ninety-eight".