2660115 has 16 divisors (see below), whose sum is σ = 4372128. Its totient is φ = 1380096.

The previous prime is 2660107. The next prime is 2660117. The reversal of 2660115 is 5110662.

It is a happy number.

It is not a de Polignac number, because 2660115 - 2³ = 2660107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2660091 and 2660100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2660117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1842 + ... + 2951.

It is an arithmetic number, because the mean of its divisors is an integer number (273258).

2^2660115 is an apocalyptic number.

2660115 is a deficient number, since it is larger than the sum of its proper divisors (1712013).

2660115 is a wasteful number, since it uses less digits than its factorization.

2660115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4838.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 2660115 is about 1630.9858981610. The cubic root of 2660115 is about 138.5585949378.

Adding to 2660115 its reverse (5110662), we get a palindrome (7770777).

It can be divided in two parts, 2660 and 115, that added together give a triangular number (2775 = T₇₄).

The spelling of 2660115 in words is "two million, six hundred sixty thousand, one hundred fifteen".