1388332 has 24 divisors (see below), whose sum is σ = 2681280. Its totient is φ = 623760.

The previous prime is 1388327. The next prime is 1388353. The reversal of 1388332 is 2338831.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1388332.

It is an unprimeable number.

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, 6003 + ... + 6229.

It is an arithmetic number, because the mean of its divisors is an integer number (111720).

2^1388332 is an apocalyptic number.

It is an amenable number.

1388332 is a deficient number, since it is larger than the sum of its proper divisors (1292948).

1388332 is a wasteful number, since it uses less digits than its factorization.

1388332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381 (or 379 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 1388332 is about 1178.2750103435. The cubic root of 1388332 is about 111.5572443627.

The spelling of 1388332 in words is "one million, three hundred eighty-eight thousand, three hundred thirty-two".