1388150 has 12 divisors (see below), whose sum is σ = 2582052. Its totient is φ = 555240.

The previous prime is 1388141. The next prime is 1388161. The reversal of 1388150 is 518831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13832 + ... + 13931.

It is an arithmetic number, because the mean of its divisors is an integer number (215171).

2^1388150 is an apocalyptic number.

1388150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1388150 is a deficient number, since it is larger than the sum of its proper divisors (1193902).

1388150 is a wasteful number, since it uses less digits than its factorization.

1388150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27775 (or 27770 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 1388150 is about 1178.1977762668. The cubic root of 1388150 is about 111.5523693746.

It can be divided in two parts, 13881 and 50, that added together give a palindrome (13931).

The spelling of 1388150 in words is "one million, three hundred eighty-eight thousand, one hundred fifty".