1040293 has 4 divisors (see below), whose sum is σ = 1065708. Its totient is φ = 1014880.

The previous prime is 1040227. The next prime is 1040311. The reversal of 1040293 is 3920401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26244 + 1014049 = 162^2 + 1007^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1040293 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1040293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040203) 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, 12646 + ... + 12727.

It is an arithmetic number, because the mean of its divisors is an integer number (266427).

2^1040293 is an apocalyptic number.

It is an amenable number.

1040293 is a deficient number, since it is larger than the sum of its proper divisors (25415).

1040293 is an equidigital number, since it uses as much as digits as its factorization.

1040293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25414.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1040293 is about 1019.9475476710. The cubic root of 1040293 is about 101.3254540946.

Adding to 1040293 its reverse (3920401), we get a palindrome (4960694).

The spelling of 1040293 in words is "one million, forty thousand, two hundred ninety-three".