2606554 has 8 divisors (see below), whose sum is σ = 3917088. Its totient is φ = 1300860.

The previous prime is 2606551. The next prime is 2606579. The reversal of 2606554 is 4556062.

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

It is not an unprimeable number, because it can be changed into a prime (2606551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 819 + ... + 2425.

It is an arithmetic number, because the mean of its divisors is an integer number (489636).

2^2606554 is an apocalyptic number.

2606554 is a deficient number, since it is larger than the sum of its proper divisors (1310534).

2606554 is a wasteful number, since it uses less digits than its factorization.

2606554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2420.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 2606554 is about 1614.4825796521. The cubic root of 2606554 is about 137.6223308021.

It can be divided in two parts, 2606 and 554, that added together give a triangular number (3160 = T₇₉).

The spelling of 2606554 in words is "two million, six hundred six thousand, five hundred fifty-four".