1386904 has 16 divisors (see below), whose sum is σ = 2650320. Its totient is φ = 680160.

The previous prime is 1386901. The next prime is 1386929. The reversal of 1386904 is 4096831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1386901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1212 + ... + 2059.

It is an arithmetic number, because the mean of its divisors is an integer number (165645).

2^1386904 is an apocalyptic number.

It is an amenable number.

1386904 is a deficient number, since it is larger than the sum of its proper divisors (1263416).

1386904 is a wasteful number, since it uses less digits than its factorization.

1386904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3330 (or 3326 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 1386904 is about 1177.6688838549. The cubic root of 1386904 is about 111.5189830067.

The spelling of 1386904 in words is "one million, three hundred eighty-six thousand, nine hundred four".