1493844 has 24 divisors (see below), whose sum is σ = 3802848. Its totient is φ = 452640.

The previous prime is 1493839. The next prime is 1493867. The reversal of 1493844 is 4483941.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5527 + ... + 5790.

It is an arithmetic number, because the mean of its divisors is an integer number (158452).

2^1493844 is an apocalyptic number.

It is an amenable number.

1493844 is an abundant number, since it is smaller than the sum of its proper divisors (2309004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1493844 is a wasteful number, since it uses less digits than its factorization.

1493844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11335 (or 11333 counting only the distinct ones).

The product of its digits is 13824, while the sum is 33.

The square root of 1493844 is about 1222.2291110917. The cubic root of 1493844 is about 114.3146126326.

It can be divided in two parts, 149 and 3844, that added together give a palindrome (3993).

The spelling of 1493844 in words is "one million, four hundred ninety-three thousand, eight hundred forty-four".