1992293 has 4 divisors (see below), whose sum is σ = 1996140. Its totient is φ = 1988448.

The previous prime is 1992269. The next prime is 1992299. The reversal of 1992293 is 3922991.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3922991 = 1699 ⋅2309.

It can be written as a sum of positive squares in 2 ways, for example, as 268324 + 1723969 = 518^2 + 1313^2 .

It is a cyclic number.

It is not a de Polignac number, because 1992293 - 2¹² = 1988197 is a prime.

It is a super-3 number, since 3×1992293³ = 23723615787944333271, which contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1992299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 998 + ... + 2231.

It is an arithmetic number, because the mean of its divisors is an integer number (499035).

2^1992293 is an apocalyptic number.

It is an amenable number.

1992293 is a deficient number, since it is larger than the sum of its proper divisors (3847).

1992293 is an equidigital number, since it uses as much as digits as its factorization.

1992293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3846.

The product of its digits is 8748, while the sum is 35.

The square root of 1992293 is about 1411.4860962829. The cubic root of 1992293 is about 125.8300598050.

The spelling of 1992293 in words is "one million, nine hundred ninety-two thousand, two hundred ninety-three".