1992265 has 24 divisors (see below), whose sum is σ = 2729160. Its totient is φ = 1393920.

The previous prime is 1992259. The next prime is 1992269. The reversal of 1992265 is 5622991.

It can be written as a sum of positive squares in 4 ways, for example, as 278784 + 1713481 = 528^2 + 1309^2 .

It is not a de Polignac number, because 1992265 - 2³ = 1992257 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1992265.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1992269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22341 + ... + 22429.

It is an arithmetic number, because the mean of its divisors is an integer number (113715).

2^1992265 is an apocalyptic number.

It is an amenable number.

1992265 is a deficient number, since it is larger than the sum of its proper divisors (736895).

1992265 is a wasteful number, since it uses less digits than its factorization.

1992265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153 (or 142 counting only the distinct ones).

The product of its digits is 9720, while the sum is 34.

The square root of 1992265 is about 1411.4761776240. The cubic root of 1992265 is about 125.8294703237.

The spelling of 1992265 in words is "one million, nine hundred ninety-two thousand, two hundred sixty-five".