2720862 has 24 divisors (see below), whose sum is σ = 5981040. Its totient is φ = 893760.

The previous prime is 2720849. The next prime is 2720881. The reversal of 2720862 is 2680272.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 214 + ... + 2342.

It is an arithmetic number, because the mean of its divisors is an integer number (249210).

2^2720862 is an apocalyptic number.

2720862 is an abundant number, since it is smaller than the sum of its proper divisors (3260178).

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

2720862 is a wasteful number, since it uses less digits than its factorization.

2720862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2208 (or 2205 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 2720862 is about 1649.5035616815. The cubic root of 2720862 is about 139.6053853528.

The spelling of 2720862 in words is "two million, seven hundred twenty thousand, eight hundred sixty-two".