1139892 has 24 divisors (see below), whose sum is σ = 2864736. Its totient is φ = 350688.

The previous prime is 1139869. The next prime is 1139909. The reversal of 1139892 is 2989311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3498 + ... + 3809.

It is an arithmetic number, because the mean of its divisors is an integer number (119364).

2^1139892 is an apocalyptic number.

1139892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1139892 is an abundant number, since it is smaller than the sum of its proper divisors (1724844).

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

1139892 is a wasteful number, since it uses less digits than its factorization.

1139892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7327 (or 7325 counting only the distinct ones).

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

The square root of 1139892 is about 1067.6572483714. The cubic root of 1139892 is about 104.4610937025.

It can be divided in two parts, 11 and 39892, that added together give a triangular number (39903 = T₂₈₂).

The spelling of 1139892 in words is "one million, one hundred thirty-nine thousand, eight hundred ninety-two".