1389192 has 32 divisors (see below), whose sum is σ = 3969600. Its totient is φ = 396864.

The previous prime is 1389191. The next prime is 1389209. The reversal of 1389192 is 2919831.

It is not an unprimeable number, because it can be changed into a prime (1389191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3967 + ... + 4302.

It is an arithmetic number, because the mean of its divisors is an integer number (124050).

2^1389192 is an apocalyptic number.

1389192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1389192 is an abundant number, since it is smaller than the sum of its proper divisors (2580408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1389192 is a wasteful number, since it uses less digits than its factorization.

1389192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8285 (or 8281 counting only the distinct ones).

The product of its digits is 3888, while the sum is 33.

The square root of 1389192 is about 1178.6398941152. The cubic root of 1389192 is about 111.5802742593.

The spelling of 1389192 in words is "one million, three hundred eighty-nine thousand, one hundred ninety-two".