3140844 has 48 divisors (see below), whose sum is σ = 8467200. Its totient is φ = 887616.

The previous prime is 3140843. The next prime is 3140861. The reversal of 3140844 is 4480413.

It is not an unprimeable number, because it can be changed into a prime (3140843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11542 + ... + 11810.

It is an arithmetic number, because the mean of its divisors is an integer number (176400).

Almost surely, 2^3140844 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3140844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4233600).

3140844 is an abundant number, since it is smaller than the sum of its proper divisors (5326356).

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

3140844 is a wasteful number, since it uses less digits than its factorization.

3140844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422 (or 420 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 3140844 is about 1772.2426470436. The cubic root of 3140844 is about 146.4475539029.

The spelling of 3140844 in words is "three million, one hundred forty thousand, eight hundred forty-four".