2840712 has 64 divisors (see below), whose sum is σ = 8353920. Its totient is φ = 787968.

The previous prime is 2840699. The next prime is 2840723. The reversal of 2840712 is 2170482.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5988 + ... + 6444.

It is an arithmetic number, because the mean of its divisors is an integer number (130530).

2^2840712 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 2840712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4176960).

2840712 is an abundant number, since it is smaller than the sum of its proper divisors (5513208).

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

2840712 is a wasteful number, since it uses less digits than its factorization.

2840712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510 (or 506 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 2840712 is about 1685.4411885320. The cubic root of 2840712 is about 141.6258084402.

The spelling of 2840712 in words is "two million, eight hundred forty thousand, seven hundred twelve".