1388230 has 16 divisors (see below), whose sum is σ = 2585520. Its totient is φ = 536032.

The previous prime is 1388227. The next prime is 1388243. The reversal of 1388230 is 328831.

It is a junction number, because it is equal to n+sod(n) for n = 1388195 and 1388204.

It is a congruent number.

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, 2104 + ... + 2683.

It is an arithmetic number, because the mean of its divisors is an integer number (161595).

2^1388230 is an apocalyptic number.

1388230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1388230 is a deficient number, since it is larger than the sum of its proper divisors (1197290).

1388230 is a wasteful number, since it uses less digits than its factorization.

1388230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4823.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 1388230 is about 1178.2317259351. The cubic root of 1388230 is about 111.5545122790.

The spelling of 1388230 in words is "one million, three hundred eighty-eight thousand, two hundred thirty".