1238830 has 24 divisors (see below), whose sum is σ = 2317032. Its totient is φ = 476784.

The previous prime is 1238827. The next prime is 1238833. The reversal of 1238830 is 388321.

It is an interprime number because it is at equal distance from previous prime (1238827) and next prime (1238833).

It is a junction number, because it is equal to n+sod(n) for n = 1238795 and 1238804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1238833) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18457 + ... + 18523.

It is an arithmetic number, because the mean of its divisors is an integer number (96543).

2^1238830 is an apocalyptic number.

1238830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1238830 is a deficient number, since it is larger than the sum of its proper divisors (1078202).

1238830 is an equidigital number, since it uses as much as digits as its factorization.

1238830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 1238830 is about 1113.0274030769. The cubic root of 1238830 is about 107.3999068323.

The spelling of 1238830 in words is "one million, two hundred thirty-eight thousand, eight hundred thirty".