1423838 has 16 divisors (see below), whose sum is σ = 2401056. Its totient is φ = 628320.

The previous prime is 1423819. The next prime is 1423843. The reversal of 1423838 is 8383241.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1423838.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 593 + ... + 1788.

It is an arithmetic number, because the mean of its divisors is an integer number (150066).

2^1423838 is an apocalyptic number.

1423838 is a deficient number, since it is larger than the sum of its proper divisors (977218).

1423838 is a wasteful number, since it uses less digits than its factorization.

1423838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2419.

The product of its digits is 4608, while the sum is 29.

The square root of 1423838 is about 1193.2468311293. The cubic root of 1423838 is about 112.5002600817.

The spelling of 1423838 in words is "one million, four hundred twenty-three thousand, eight hundred thirty-eight".