3140816 has 40 divisors (see below), whose sum is σ = 7201920. Its totient is φ = 1298304.

The previous prime is 3140807. The next prime is 3140821. The reversal of 3140816 is 6180413.

It is a junction number, because it is equal to n+sod(n) for n = 3140791 and 3140800.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2765 + ... + 3731.

It is an arithmetic number, because the mean of its divisors is an integer number (180048).

Almost surely, 2^3140816 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 3140816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3600960).

3140816 is an abundant number, since it is smaller than the sum of its proper divisors (4061104).

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

3140816 is a wasteful number, since it uses less digits than its factorization.

3140816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011 (or 1005 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 3140816 is about 1772.2347474305. The cubic root of 3140816 is about 146.4471187180.

The spelling of 3140816 in words is "three million, one hundred forty thousand, eight hundred sixteen".