1238798 has 12 divisors (see below), whose sum is σ = 2042880. Its totient is φ = 562980.

The previous prime is 1238789. The next prime is 1238801. The reversal of 1238798 is 8978321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2318 + ... + 2801.

It is an arithmetic number, because the mean of its divisors is an integer number (170240).

2^1238798 is an apocalyptic number.

1238798 is a deficient number, since it is larger than the sum of its proper divisors (804082).

1238798 is a wasteful number, since it uses less digits than its factorization.

1238798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5143 (or 5132 counting only the distinct ones).

The product of its digits is 24192, while the sum is 38.

The square root of 1238798 is about 1113.0130277764. The cubic root of 1238798 is about 107.3989820816.

The spelling of 1238798 in words is "one million, two hundred thirty-eight thousand, seven hundred ninety-eight".