2104506 has 24 divisors (see below), whose sum is σ = 4667520. Its totient is φ = 684936.

The previous prime is 2104499. The next prime is 2104507. The reversal of 2104506 is 6054012.

It is a happy number.

2104506 is a `hidden beast` number, since 210 + 450 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2104507) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 586 + ... + 2133.

It is an arithmetic number, because the mean of its divisors is an integer number (194480).

2^2104506 is an apocalyptic number.

2104506 is an abundant number, since it is smaller than the sum of its proper divisors (2563014).

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

2104506 is a wasteful number, since it uses less digits than its factorization.

2104506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2770 (or 2767 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2104506 is about 1450.6915592227. The cubic root of 2104506 is about 128.1494429670.

Adding to 2104506 its reverse (6054012), we get a palindrome (8158518).

The spelling of 2104506 in words is "two million, one hundred four thousand, five hundred six".