1404007 has 4 divisors (see below), whose sum is σ = 1531656. Its totient is φ = 1276360.

The previous prime is 1403981. The next prime is 1404059. The reversal of 1404007 is 7004041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7004041 = 11 ⋅636731.

It is a cyclic number.

It is not a de Polignac number, because 1404007 - 2⁷ = 1403879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1404107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63808 + ... + 63829.

It is an arithmetic number, because the mean of its divisors is an integer number (382914).

2^1404007 is an apocalyptic number.

1404007 is a deficient number, since it is larger than the sum of its proper divisors (127649).

1404007 is a wasteful number, since it uses less digits than its factorization.

1404007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127648.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 1404007 is about 1184.9080133074. The cubic root of 1404007 is about 111.9755207981.

Adding to 1404007 its reverse (7004041), we get a palindrome (8408048).

The spelling of 1404007 in words is "one million, four hundred four thousand, seven".