1238868 has 24 divisors (see below), whose sum is σ = 3212160. Its totient is φ = 412920.

The previous prime is 1238863. The next prime is 1238893. The reversal of 1238868 is 8688321.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1238863) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5628 + ... + 5843.

It is an arithmetic number, because the mean of its divisors is an integer number (133840).

2^1238868 is an apocalyptic number.

1238868 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1238868 is an abundant number, since it is smaller than the sum of its proper divisors (1973292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1238868 is a wasteful number, since it uses less digits than its factorization.

1238868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11484 (or 11476 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 1238868 is about 1113.0444735050. The cubic root of 1238868 is about 107.4010049530.

The spelling of 1238868 in words is "one million, two hundred thirty-eight thousand, eight hundred sixty-eight".