1438344 has 32 divisors (see below), whose sum is σ = 3996000. Its totient is φ = 479376.

The previous prime is 1438303. The next prime is 1438379. The reversal of 1438344 is 4438341.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is an Ulam 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, 3114 + ... + 3545.

It is an arithmetic number, because the mean of its divisors is an integer number (124875).

2^1438344 is an apocalyptic number.

It is an amenable number.

1438344 is an abundant number, since it is smaller than the sum of its proper divisors (2557656).

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

1438344 is a wasteful number, since it uses less digits than its factorization.

1438344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6674 (or 6664 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 1438344 is about 1199.3098015109. The cubic root of 1438344 is about 112.8810192042.

The spelling of 1438344 in words is "one million, four hundred thirty-eight thousand, three hundred forty-four".