2104654 has 4 divisors (see below), whose sum is σ = 3156984. Its totient is φ = 1052326.

The previous prime is 2104643. The next prime is 2104657. The reversal of 2104654 is 4564012.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 2²¹ + 1 + 0 + 4³ + 6³ + 5⁵ + 4⁶ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526162 + ... + 526165.

It is an arithmetic number, because the mean of its divisors is an integer number (789246).

2^2104654 is an apocalyptic number.

2104654 is a deficient number, since it is larger than the sum of its proper divisors (1052330).

2104654 is a wasteful number, since it uses less digits than its factorization.

2104654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052329.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2104654 is about 1450.7425684800. The cubic root of 2104654 is about 128.1524469456.

Adding to 2104654 its reverse (4564012), we get a palindrome (6668666).

The spelling of 2104654 in words is "two million, one hundred four thousand, six hundred fifty-four".