1388232 has 32 divisors (see below), whose sum is σ = 3856800. Its totient is φ = 462672.

The previous prime is 1388227. The next prime is 1388243. The reversal of 1388232 is 2328831.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1388196 and 1388205.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2998 + ... + 3429.

It is an arithmetic number, because the mean of its divisors is an integer number (120525).

2^1388232 is an apocalyptic number.

1388232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1388232 is an abundant number, since it is smaller than the sum of its proper divisors (2468568).

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

1388232 is a wasteful number, since it uses less digits than its factorization.

1388232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6442 (or 6432 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 1388232 is about 1178.2325746643. The cubic root of 1388232 is about 111.5545658506.

The spelling of 1388232 in words is "one million, three hundred eighty-eight thousand, two hundred thirty-two".