2840736 has 48 divisors (see below), whose sum is σ = 7547904. Its totient is φ = 935424.

The previous prime is 2840731. The next prime is 2840741. The reversal of 2840736 is 6370482.

It is an interprime number because it is at equal distance from previous prime (2840731) and next prime (2840741).

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (2840731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12076 + ... + 12308.

It is an arithmetic number, because the mean of its divisors is an integer number (157248).

2^2840736 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 2840736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3773952).

2840736 is an abundant number, since it is smaller than the sum of its proper divisors (4707168).

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

2840736 is a wasteful number, since it uses less digits than its factorization.

2840736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373 (or 365 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 2840736 is about 1685.4483083144. The cubic root of 2840736 is about 141.6262072850.

The spelling of 2840736 in words is "two million, eight hundred forty thousand, seven hundred thirty-six".