2609654 has 8 divisors (see below), whose sum is σ = 3939888. Its totient is φ = 1296360.

The previous prime is 2609639. The next prime is 2609657. The reversal of 2609654 is 4569062.

2609654 is nontrivially palindromic in base 4.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2609654.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2609657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3842 + ... + 4469.

It is an arithmetic number, because the mean of its divisors is an integer number (492486).

2^2609654 is an apocalyptic number.

2609654 is a deficient number, since it is larger than the sum of its proper divisors (1330234).

2609654 is a wasteful number, since it uses less digits than its factorization.

2609654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8470.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 2609654 is about 1615.4423542795. The cubic root of 2609654 is about 137.6768677124.

The spelling of 2609654 in words is "two million, six hundred nine thousand, six hundred fifty-four".