2660104 has 8 divisors (see below), whose sum is σ = 4987710. Its totient is φ = 1330048.

The previous prime is 2660089. The next prime is 2660107. The reversal of 2660104 is 4010662.

It can be written as a sum of positive squares in only one way, i.e., 1664100 + 996004 = 1290^2 + 998^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2660107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166249 + ... + 166264.

2^2660104 is an apocalyptic number.

It is an amenable number.

2660104 is a deficient number, since it is larger than the sum of its proper divisors (2327606).

2660104 is a wasteful number, since it uses less digits than its factorization.

2660104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332519 (or 332515 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2660104 is about 1630.9825259640. The cubic root of 2660104 is about 138.5584039502.

Adding to 2660104 its reverse (4010662), we get a palindrome (6670766).

The spelling of 2660104 in words is "two million, six hundred sixty thousand, one hundred four".