1404939 has 8 divisors (see below), whose sum is σ = 1916992. Its totient is φ = 914760.

The previous prime is 1404937. The next prime is 1404959. The reversal of 1404939 is 9394041.

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

It is not a de Polignac number, because 1404939 - 2¹ = 1404937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1404937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5317 + ... + 5574.

It is an arithmetic number, because the mean of its divisors is an integer number (239624).

2^1404939 is an apocalyptic number.

1404939 is a deficient number, since it is larger than the sum of its proper divisors (512053).

1404939 is a wasteful number, since it uses less digits than its factorization.

1404939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10937.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 1404939 is about 1185.3012275367. The cubic root of 1404939 is about 112.0002923037. Note that the first 3 decimals are identical.

The spelling of 1404939 in words is "one million, four hundred four thousand, nine hundred thirty-nine".