1409304 has 32 divisors (see below), whose sum is σ = 3795120. Its totient is φ = 433536.

The previous prime is 1409299. The next prime is 1409311. The reversal of 1409304 is 4039041.

It is a super-2 number, since 2×1409304² = 3972275528832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1947 + ... + 2570.

2^1409304 is an apocalyptic number.

It is an amenable number.

1409304 is an abundant number, since it is smaller than the sum of its proper divisors (2385816).

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

1409304 is a wasteful number, since it uses less digits than its factorization.

1409304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4539 (or 4535 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1409304 is about 1187.1411036604. The cubic root of 1409304 is about 112.1161634902.

The spelling of 1409304 in words is "one million, four hundred nine thousand, three hundred four".