8144438 has 16 divisors (see below), whose sum is σ = 12881376. Its totient is φ = 3854400.

The previous prime is 8144429. The next prime is 8144441. The reversal of 8144438 is 8344418.

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, 3770 + ... + 5522.

It is an arithmetic number, because the mean of its divisors is an integer number (805086).

Almost surely, 2^8144438 is an apocalyptic number.

8144438 is a deficient number, since it is larger than the sum of its proper divisors (4736938).

8144438 is a wasteful number, since it uses less digits than its factorization.

8144438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1879.

The product of its digits is 12288, while the sum is 32.

The square root of 8144438 is about 2853.8461766535. The cubic root of 8144438 is about 201.1964779292.

The spelling of 8144438 in words is "eight million, one hundred forty-four thousand, four hundred thirty-eight".