1040402 has 24 divisors (see below), whose sum is σ = 1810512. Its totient is φ = 444600.

The previous prime is 1040387. The next prime is 1040407. The reversal of 1040402 is 2040401.

It is a Harshad number since it is a multiple of its sum of digits (11).

It is not an unprimeable number, because it can be changed into a prime (1040407) 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, 7877 + ... + 8007.

It is an arithmetic number, because the mean of its divisors is an integer number (75438).

2^1040402 is an apocalyptic number.

1040402 is a deficient number, since it is larger than the sum of its proper divisors (770110).

1040402 is a wasteful number, since it uses less digits than its factorization.

With its successor (1040403) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (163).

1040402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 1040402 is about 1020.0009803917. Note that the first 3 decimals coincide. The cubic root of 1040402 is about 101.3289928696.

Adding to 1040402 its reverse (2040401), we get a palindrome (3080803).

Subtracting 1040402 from its reverse (2040401), we obtain a palindrome (999999).

The spelling of 1040402 in words is "one million, forty thousand, four hundred two".