1388588 has 12 divisors (see below), whose sum is σ = 2489592. Its totient is φ = 677280.

The previous prime is 1388587. The next prime is 1388593. The reversal of 1388588 is 8858831.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (1388587) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4070 + ... + 4397.

It is an arithmetic number, because the mean of its divisors is an integer number (207466).

2^1388588 is an apocalyptic number.

It is an amenable number.

1388588 is a deficient number, since it is larger than the sum of its proper divisors (1101004).

1388588 is a wasteful number, since it uses less digits than its factorization.

1388588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8512 (or 8510 counting only the distinct ones).

The product of its digits is 61440, while the sum is 41.

The square root of 1388588 is about 1178.3836387187. The cubic root of 1388588 is about 111.5641007677.

The spelling of 1388588 in words is "one million, three hundred eighty-eight thousand, five hundred eighty-eight".