1992306 has 16 divisors (see below), whose sum is σ = 4158144. Its totient is φ = 635184.

The previous prime is 1992299. The next prime is 1992307. The reversal of 1992306 is 6032991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1992307) 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, 7081 + ... + 7356.

It is an arithmetic number, because the mean of its divisors is an integer number (259884).

2^1992306 is an apocalyptic number.

1992306 is an abundant number, since it is smaller than the sum of its proper divisors (2165838).

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

1992306 is a wasteful number, since it uses less digits than its factorization.

1992306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14465.

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

The square root of 1992306 is about 1411.4907013509. The cubic root of 1992306 is about 125.8303334909.

The spelling of 1992306 in words is "one million, nine hundred ninety-two thousand, three hundred six".