2716021 has 12 divisors (see below), whose sum is σ = 3447360. Its totient is φ = 2115960.

The previous prime is 2715997. The next prime is 2716027. The reversal of 2716021 is 1206172.

It is not a de Polignac number, because 2716021 - 2⁷ = 2715893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2716021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2716027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1981 + ... + 3058.

It is an arithmetic number, because the mean of its divisors is an integer number (287280).

2^2716021 is an apocalyptic number.

It is an amenable number.

2716021 is a deficient number, since it is larger than the sum of its proper divisors (731339).

2716021 is a wasteful number, since it uses less digits than its factorization.

2716021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5064 (or 5057 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 2716021 is about 1648.0354971905. The cubic root of 2716021 is about 139.5225401758.

The spelling of 2716021 in words is "two million, seven hundred sixteen thousand, twenty-one".