1389092 has 12 divisors (see below), whose sum is σ = 2471196. Its totient is φ = 683040.

The previous prime is 1389083. The next prime is 1389097. The reversal of 1389092 is 2909831.

It can be written as a sum of positive squares in 2 ways, for example, as 98596 + 1290496 = 314^2 + 1136^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1389097) 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, 2603 + ... + 3090.

It is an arithmetic number, because the mean of its divisors is an integer number (205933).

2^1389092 is an apocalyptic number.

It is an amenable number.

1389092 is a deficient number, since it is larger than the sum of its proper divisors (1082104).

1389092 is a wasteful number, since it uses less digits than its factorization.

1389092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5758 (or 5756 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 1389092 is about 1178.5974715737. The cubic root of 1389092 is about 111.5775968527.

The spelling of 1389092 in words is "one million, three hundred eighty-nine thousand, ninety-two".