1040415 has 16 divisors (see below), whose sum is σ = 1680000. Its totient is φ = 549792.

The previous prime is 1040411. The next prime is 1040419. The reversal of 1040415 is 5140401.

It is an interprime number because it is at equal distance from previous prime (1040411) and next prime (1040419).

It is not a de Polignac number, because 1040415 - 2² = 1040411 is a prime.

It is a super-3 number, since 3×1040415³ = 3378633388240420125, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 1040394 and 1040403.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 1836 + ... + 2334.

It is an arithmetic number, because the mean of its divisors is an integer number (105000).

2^1040415 is an apocalyptic number.

1040415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1040415 is a deficient number, since it is larger than the sum of its proper divisors (639585).

1040415 is a wasteful number, since it uses less digits than its factorization.

1040415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 1040415 is about 1020.0073529147. The cubic root of 1040415 is about 101.3294149089.

Subtracting from 1040415 its sum of digits (15), we obtain a square (1040400 = 1020²).

Adding to 1040415 its reverse (5140401), we get a palindrome (6180816).

The spelling of 1040415 in words is "one million, forty thousand, four hundred fifteen".