1040819 has 12 divisors (see below), whose sum is σ = 1189776. Its totient is φ = 903408.

The previous prime is 1040813. The next prime is 1040821. The reversal of 1040819 is 9180401.

It is not a de Polignac number, because 1040819 - 2⁴ = 1040803 is a prime.

It is a super-2 number, since 2×1040819² = 2166608381522, which contains 22 as substring.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1040794 and 1040803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17612 + ... + 17670.

It is an arithmetic number, because the mean of its divisors is an integer number (99148).

2^1040819 is an apocalyptic number.

1040819 is a deficient number, since it is larger than the sum of its proper divisors (148957).

1040819 is an equidigital number, since it uses as much as digits as its factorization.

1040819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154 (or 95 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 1040819 is about 1020.2053714816. The cubic root of 1040819 is about 101.3425288381.

The spelling of 1040819 in words is "one million, forty thousand, eight hundred nineteen".