1000408 has 16 divisors (see below), whose sum is σ = 1957680. Its totient is φ = 478368.

The previous prime is 1000403. The next prime is 1000409. The reversal of 1000408 is 8040001.

It is a zygodrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2535 + ... + 2902.

It is an arithmetic number, because the mean of its divisors is an integer number (122355).

2^1000408 is an apocalyptic number.

It is an amenable number.

1000408 is a deficient number, since it is larger than the sum of its proper divisors (957272).

1000408 is a wasteful number, since it uses less digits than its factorization.

1000408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5466 (or 5462 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1000408 is about 1000.2039791962. The cubic root of 1000408 is about 100.0135981508.

Adding to 1000408 its reverse (8040001), we get a palindrome (9040409).

The spelling of 1000408 in words is "one million, four hundred eight", and thus it is an aban number.