2720284 has 18 divisors (see below), whose sum is σ = 5538120. Its totient is φ = 1165752.

The previous prime is 2720273. The next prime is 2720297. The reversal of 2720284 is 4820272.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6744 + ... + 7135.

2^2720284 is an apocalyptic number.

It is an amenable number.

2720284 is an abundant number, since it is smaller than the sum of its proper divisors (2817836).

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

2720284 is a wasteful number, since it uses less digits than its factorization.

2720284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13897 (or 13888 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 2720284 is about 1649.3283481466. The cubic root of 2720284 is about 139.5954990708.

The spelling of 2720284 in words is "two million, seven hundred twenty thousand, two hundred eighty-four".