1423849 has 8 divisors (see below), whose sum is σ = 1643328. Its totient is φ = 1208400.

The previous prime is 1423843. The next prime is 1423853. The reversal of 1423849 is 9483241.

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 1423849 - 2¹¹ = 1421801 is a prime.

It is a Duffinian number.

1423849 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1423849.

It is not an unprimeable number, because it can be changed into a prime (1423843) by changing a digit.

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, 202 + ... + 1699.

It is an arithmetic number, because the mean of its divisors is an integer number (205416).

2^1423849 is an apocalyptic number.

It is an amenable number.

1423849 is a deficient number, since it is larger than the sum of its proper divisors (219479).

1423849 is a wasteful number, since it uses less digits than its factorization.

1423849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2015.

The product of its digits is 6912, while the sum is 31.

The square root of 1423849 is about 1193.2514403930. The cubic root of 1423849 is about 112.5005497916.

The spelling of 1423849 in words is "one million, four hundred twenty-three thousand, eight hundred forty-nine".