1392086 has 8 divisors (see below), whose sum is σ = 2155584. Its totient is φ = 673560.

The previous prime is 1392007. The next prime is 1392089. The reversal of 1392086 is 6802931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1392089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11165 + ... + 11288.

It is an arithmetic number, because the mean of its divisors is an integer number (269448).

2^1392086 is an apocalyptic number.

1392086 is a deficient number, since it is larger than the sum of its proper divisors (763498).

1392086 is a wasteful number, since it uses less digits than its factorization.

1392086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22486.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 1392086 is about 1179.8669416506. The cubic root of 1392086 is about 111.6577028026.

The spelling of 1392086 in words is "one million, three hundred ninety-two thousand, eighty-six".