1238860 has 24 divisors (see below), whose sum is σ = 2973600. Its totient is φ = 424704.

The previous prime is 1238843. The next prime is 1238863. The reversal of 1238860 is 688321.

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 4285 + ... + 4564.

It is an arithmetic number, because the mean of its divisors is an integer number (123900).

2^1238860 is an apocalyptic number.

1238860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1238860 is an abundant number, since it is smaller than the sum of its proper divisors (1734740).

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

1238860 is a wasteful number, since it uses less digits than its factorization.

1238860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8865 (or 8863 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 1238860 is about 1113.0408797524. The cubic root of 1238860 is about 107.4007737715.

The spelling of 1238860 in words is "one million, two hundred thirty-eight thousand, eight hundred sixty".