1409904 has 30 divisors (see below), whose sum is σ = 3946176. Its totient is φ = 469920.

The previous prime is 1409899. The next prime is 1409917. The reversal of 1409904 is 4099041.

It is a nialpdrome in base 11.

It is a zygodrome in base 11.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4752 + ... + 5039.

2^1409904 is an apocalyptic number.

It is an amenable number.

1409904 is an abundant number, since it is smaller than the sum of its proper divisors (2536272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1409904 is a wasteful number, since it uses less digits than its factorization.

1409904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9805 (or 9796 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 1409904 is about 1187.3937847235. The cubic root of 1409904 is about 112.1320720885.

The spelling of 1409904 in words is "one million, four hundred nine thousand, nine hundred four".