2715890 has 16 divisors (see below), whose sum is σ = 4938840. Its totient is φ = 1075200.

The previous prime is 2715859. The next prime is 2715893. The reversal of 2715890 is 985172.

2715890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2163841 + 552049 = 1471^2 + 743^2 .

It is not an unprimeable number, because it can be changed into a prime (2715893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335 + ... + 2354.

2^2715890 is an apocalyptic number.

2715890 is a deficient number, since it is larger than the sum of its proper divisors (2222950).

2715890 is a wasteful number, since it uses less digits than its factorization.

2715890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2797.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 2715890 is about 1647.9957524217. The cubic root of 2715890 is about 139.5202969743.

The spelling of 2715890 in words is "two million, seven hundred fifteen thousand, eight hundred ninety".