1388652 has 24 divisors (see below), whose sum is σ = 3276336. Its totient is φ = 457728.

The previous prime is 1388641. The next prime is 1388659. The reversal of 1388652 is 2568831.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1388659) 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, 568 + ... + 1760.

It is an arithmetic number, because the mean of its divisors is an integer number (136514).

2^1388652 is an apocalyptic number.

1388652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1388652 is an abundant number, since it is smaller than the sum of its proper divisors (1887684).

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

1388652 is a wasteful number, since it uses less digits than its factorization.

1388652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1297 (or 1295 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 1388652 is about 1178.4107942479. The cubic root of 1388652 is about 111.5658147372.

The spelling of 1388652 in words is "one million, three hundred eighty-eight thousand, six hundred fifty-two".