1040417 has 12 divisors (see below), whose sum is σ = 1282500. Its totient is φ = 838656.

The previous prime is 1040411. The next prime is 1040419. The reversal of 1040417 is 7140401.

It can be written as a sum of positive squares in 2 ways, for example, as 625681 + 414736 = 791^2 + 644^2 .

It is not a de Polignac number, because 1040417 - 2⁶ = 1040353 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

1040417 is a Rhonda number in base 6.

It is a junction number, because it is equal to n+sod(n) for n = 1040395 and 1040404.

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 11 ways as a sum of consecutive naturals, for example, 209 + ... + 1457.

It is an arithmetic number, because the mean of its divisors is an integer number (106875).

2^1040417 is an apocalyptic number.

1040417 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1040417 is the 833-rd pentagonal number.

It is an amenable number.

1040417 is a deficient number, since it is larger than the sum of its proper divisors (242083).

1040417 is a wasteful number, since it uses less digits than its factorization.

1040417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280 (or 1273 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 1040417 is about 1020.0083332993. The cubic root of 1040417 is about 101.3294798377.

Subtracting from 1040417 its sum of digits (17), we obtain a square (1040400 = 1020²).

Adding to 1040417 its reverse (7140401), we get a palindrome (8180818).

The spelling of 1040417 in words is "one million, forty thousand, four hundred seventeen".