1388794 has 8 divisors (see below), whose sum is σ = 2272608. Its totient is φ = 631260.

The previous prime is 1388791. The next prime is 1388797. The reversal of 1388794 is 4978831.

It is an interprime number because it is at equal distance from previous prime (1388791) and next prime (1388797).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 1 + 3¹² + 8 + 8⁵ + 7⁷ + 9 + 4⁵ .

It is not an unprimeable number, because it can be changed into a prime (1388791) 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 3 ways as a sum of consecutive naturals, for example, 31542 + ... + 31585.

It is an arithmetic number, because the mean of its divisors is an integer number (284076).

2^1388794 is an apocalyptic number.

1388794 is a deficient number, since it is larger than the sum of its proper divisors (883814).

1388794 is a wasteful number, since it uses less digits than its factorization.

1388794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63140.

The product of its digits is 48384, while the sum is 40.

The square root of 1388794 is about 1178.4710433439. The cubic root of 1388794 is about 111.5696174192.

The spelling of 1388794 in words is "one million, three hundred eighty-eight thousand, seven hundred ninety-four".