1406823 has 16 divisors (see below), whose sum is σ = 2073600. Its totient is φ = 841280.

The previous prime is 1406807. The next prime is 1406827. The reversal of 1406823 is 3286041.

It is a happy number.

It is not a de Polignac number, because 1406823 - 2⁴ = 1406807 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1406793 and 1406802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406827) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2698 + ... + 3176.

It is an arithmetic number, because the mean of its divisors is an integer number (129600).

2^1406823 is an apocalyptic number.

1406823 is a deficient number, since it is larger than the sum of its proper divisors (666777).

1406823 is a wasteful number, since it uses less digits than its factorization.

1406823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1406823 is about 1186.0956959706. The cubic root of 1406823 is about 112.0503334564.

The spelling of 1406823 in words is "one million, four hundred six thousand, eight hundred twenty-three".