1239392 has 48 divisors (see below), whose sum is σ = 3048192. Its totient is φ = 481920.

The previous prime is 1239379. The next prime is 1239397. The reversal of 1239392 is 2939321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1239397) 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, 2213 + ... + 2715.

It is an arithmetic number, because the mean of its divisors is an integer number (63504).

2^1239392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1239392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1524096).

1239392 is an abundant number, since it is smaller than the sum of its proper divisors (1808800).

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

1239392 is a wasteful number, since it uses less digits than its factorization.

1239392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531 (or 523 counting only the distinct ones).

The product of its digits is 2916, while the sum is 29.

The square root of 1239392 is about 1113.2798390342. The cubic root of 1239392 is about 107.4161451707.

The spelling of 1239392 in words is "one million, two hundred thirty-nine thousand, three hundred ninety-two".