1423834 has 16 divisors (see below), whose sum is σ = 2232576. Its totient is φ = 680400.

The previous prime is 1423819. The next prime is 1423843. The reversal of 1423834 is 4383241.

It is a junction number, because it is equal to n+sod(n) for n = 1423799 and 1423808.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5119 + ... + 5389.

It is an arithmetic number, because the mean of its divisors is an integer number (139536).

2^1423834 is an apocalyptic number.

1423834 is a deficient number, since it is larger than the sum of its proper divisors (808742).

1423834 is a wasteful number, since it uses less digits than its factorization.

1423834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381.

The product of its digits is 2304, while the sum is 25.

The square root of 1423834 is about 1193.2451550289. The cubic root of 1423834 is about 112.5001547323.

The spelling of 1423834 in words is "one million, four hundred twenty-three thousand, eight hundred thirty-four".