1388324 has 24 divisors (see below), whose sum is σ = 2802240. Its totient is φ = 589536.

The previous prime is 1388323. The next prime is 1388327. The reversal of 1388324 is 4238831.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1388323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4874 + ... + 5150.

It is an arithmetic number, because the mean of its divisors is an integer number (116760).

2^1388324 is an apocalyptic number.

1388324 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1388324 is an abundant number, since it is smaller than the sum of its proper divisors (1413916).

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

1388324 is a wasteful number, since it uses less digits than its factorization.

1388324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467 (or 465 counting only the distinct ones).

The product of its digits is 4608, while the sum is 29.

The square root of 1388324 is about 1178.2716155454. The cubic root of 1388324 is about 111.5570300864.

The spelling of 1388324 in words is "one million, three hundred eighty-eight thousand, three hundred twenty-four".