1404623 has 8 divisors (see below), whose sum is σ = 1544400. Its totient is φ = 1266880.

The previous prime is 1404617. The next prime is 1404643. The reversal of 1404623 is 3264041.

It is a happy number.

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 1404623 - 2⁸ = 1404367 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1404595 and 1404604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1404643) 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, 1211 + ... + 2067.

It is an arithmetic number, because the mean of its divisors is an integer number (193050).

2^1404623 is an apocalyptic number.

1404623 is a deficient number, since it is larger than the sum of its proper divisors (139777).

1404623 is a wasteful number, since it uses less digits than its factorization.

1404623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1404623 is about 1185.1679205918. The cubic root of 1404623 is about 111.9918946090.

Adding to 1404623 its reverse (3264041), we get a palindrome (4668664).

The spelling of 1404623 in words is "one million, four hundred four thousand, six hundred twenty-three".