1392906 has 16 divisors (see below), whose sum is σ = 2820384. Its totient is φ = 458544.

The previous prime is 1392901. The next prime is 1392943. The reversal of 1392906 is 6092931.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1392901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 901 + ... + 1896.

It is an arithmetic number, because the mean of its divisors is an integer number (176274).

2^1392906 is an apocalyptic number.

1392906 is an abundant number, since it is smaller than the sum of its proper divisors (1427478).

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

1392906 is a wasteful number, since it uses less digits than its factorization.

1392906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2885.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 1392906 is about 1180.2143873043. The cubic root of 1392906 is about 111.6796222685.

The spelling of 1392906 in words is "one million, three hundred ninety-two thousand, nine hundred six".