3144638 has 8 divisors (see below), whose sum is σ = 5390832. Its totient is φ = 1347696.

The previous prime is 3144619. The next prime is 3144689. The reversal of 3144638 is 8364413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 3144638.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112295 + ... + 112322.

It is an arithmetic number, because the mean of its divisors is an integer number (673854).

Almost surely, 2^3144638 is an apocalyptic number.

3144638 is a deficient number, since it is larger than the sum of its proper divisors (2246194).

3144638 is a wasteful number, since it uses less digits than its factorization.

3144638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224626.

The product of its digits is 6912, while the sum is 29.

The square root of 3144638 is about 1773.3127191784. The cubic root of 3144638 is about 146.5064975549.

The spelling of 3144638 in words is "three million, one hundred forty-four thousand, six hundred thirty-eight".