1040418 has 16 divisors (see below), whose sum is σ = 2312160. Its totient is φ = 346788.

The previous prime is 1040411. The next prime is 1040419. The reversal of 1040418 is 8140401.

It is a super-2 number, since 2×1040418² = 2164939229448, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 1040418.

It is not an unprimeable number, because it can be changed into a prime (1040411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9580 + ... + 9687.

It is an arithmetic number, because the mean of its divisors is an integer number (144510).

2^1040418 is an apocalyptic number.

1040418 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1040418 is an abundant number, since it is smaller than the sum of its proper divisors (1271742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1040418 is a wasteful number, since it uses less digits than its factorization.

1040418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19278 (or 19272 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 1040418 is about 1020.0088234912. The cubic root of 1040418 is about 101.3295123021.

Subtracting from 1040418 its sum of digits (18), we obtain a square (1040400 = 1020²).

Adding to 1040418 its reverse (8140401), we get a palindrome (9180819).

The spelling of 1040418 in words is "one million, forty thousand, four hundred eighteen".