1040786 has 4 divisors (see below), whose sum is σ = 1561182. Its totient is φ = 520392.

The previous prime is 1040783. The next prime is 1040797. The reversal of 1040786 is 6870401.

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

It can be written as a sum of positive squares in only one way, i.e., 931225 + 109561 = 965^2 + 331^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1040783) 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 as a sum of consecutive naturals, namely, 260195 + ... + 260198.

2^1040786 is an apocalyptic number.

1040786 is a deficient number, since it is larger than the sum of its proper divisors (520396).

1040786 is an equidigital number, since it uses as much as digits as its factorization.

1040786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520395.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 1040786 is about 1020.1891981392. The cubic root of 1040786 is about 101.3414577781.

The spelling of 1040786 in words is "one million, forty thousand, seven hundred eighty-six".