1388364 has 24 divisors (see below), whose sum is σ = 3268608. Its totient is φ = 458640.

The previous prime is 1388363. The next prime is 1388369. The reversal of 1388364 is 4638831.

It is not an unprimeable number, because it can be changed into a prime (1388363) by changing a digit.

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, 1069 + ... + 1979.

It is an arithmetic number, because the mean of its divisors is an integer number (136192).

2^1388364 is an apocalyptic number.

It is an amenable number.

1388364 is an abundant number, since it is smaller than the sum of its proper divisors (1880244).

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

1388364 is a wasteful number, since it uses less digits than its factorization.

1388364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045 (or 1043 counting only the distinct ones).

The product of its digits is 13824, while the sum is 33.

The square root of 1388364 is about 1178.2885894381. The cubic root of 1388364 is about 111.5581014594.

The spelling of 1388364 in words is "one million, three hundred eighty-eight thousand, three hundred sixty-four".