1404993 has 12 divisors (see below), whose sum is σ = 1984560. Its totient is φ = 881712.

The previous prime is 1404989. The next prime is 1405007. The reversal of 1404993 is 3994041.

It is not a de Polignac number, because 1404993 - 2² = 1404989 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1404993.

It is not an unprimeable number, because it can be changed into a prime (1404973) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8871 + ... + 9027.

It is an arithmetic number, because the mean of its divisors is an integer number (165380).

2^1404993 is an apocalyptic number.

It is an amenable number.

1404993 is a deficient number, since it is larger than the sum of its proper divisors (579567).

1404993 is an equidigital number, since it uses as much as digits as its factorization.

1404993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336 (or 179 counting only the distinct ones).

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

The square root of 1404993 is about 1185.3240063375. The cubic root of 1404993 is about 112.0017272268.

The spelling of 1404993 in words is "one million, four hundred four thousand, nine hundred ninety-three".