1040408 has 8 divisors (see below), whose sum is σ = 1950780. Its totient is φ = 520200.

The previous prime is 1040407. The next prime is 1040411. The reversal of 1040408 is 8040401.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a zygodrome in base 2.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 65018 + ... + 65033.

2^1040408 is an apocalyptic number.

It is an amenable number.

1040408 is a deficient number, since it is larger than the sum of its proper divisors (910372).

1040408 is a wasteful number, since it uses less digits than its factorization.

1040408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130057 (or 130053 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1040408 is about 1020.0039215611. The cubic root of 1040408 is about 101.3291876574.

Adding to 1040408 its reverse (8040401), we get a palindrome (9080809).

The spelling of 1040408 in words is "one million, forty thousand, four hundred eight".