1389754 has 8 divisors (see below), whose sum is σ = 2114208. Its totient is φ = 685020.

The previous prime is 1389749. The next prime is 1389769. The reversal of 1389754 is 4579831.

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

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 3 ways as a sum of consecutive naturals, for example, 4752 + ... + 5035.

It is an arithmetic number, because the mean of its divisors is an integer number (264276).

2^1389754 is an apocalyptic number.

1389754 is a deficient number, since it is larger than the sum of its proper divisors (724454).

1389754 is an equidigital number, since it uses as much as digits as its factorization.

1389754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9860.

The product of its digits is 30240, while the sum is 37.

The square root of 1389754 is about 1178.8782804005. The cubic root of 1389754 is about 111.5953188943.

The spelling of 1389754 in words is "one million, three hundred eighty-nine thousand, seven hundred fifty-four".