2715820 has 24 divisors (see below), whose sum is σ = 5736528. Its totient is φ = 1080000.

The previous prime is 2715809. The next prime is 2715847. The reversal of 2715820 is 285172.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4750 + ... + 5290.

It is an arithmetic number, because the mean of its divisors is an integer number (239022).

2^2715820 is an apocalyptic number.

2715820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2715820 is an abundant number, since it is smaller than the sum of its proper divisors (3020708).

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

2715820 is a wasteful number, since it uses less digits than its factorization.

2715820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801 (or 799 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 2715820 is about 1647.9745143660. The cubic root of 2715820 is about 139.5190982875.

The spelling of 2715820 in words is "two million, seven hundred fifteen thousand, eight hundred twenty".