1304939 has 8 divisors (see below), whose sum is σ = 1385040. Its totient is φ = 1226016.

The previous prime is 1304929. The next prime is 1304957. The reversal of 1304939 is 9394031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1304939 - 2⁴ = 1304923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1304929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3089 + ... + 3485.

It is an arithmetic number, because the mean of its divisors is an integer number (173130).

2^1304939 is an apocalyptic number.

1304939 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1304939 is a deficient number, since it is larger than the sum of its proper divisors (80101).

1304939 is a wasteful number, since it uses less digits than its factorization.

1304939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 1304939 is about 1142.3392665929. The cubic root of 1304939 is about 109.2773287517.

The spelling of 1304939 in words is "one million, three hundred four thousand, nine hundred thirty-nine".