2660554 has 8 divisors (see below), whose sum is σ = 4297860. Its totient is φ = 1227936.

The previous prime is 2660533. The next prime is 2660557. The reversal of 2660554 is 4550662.

It can be written as a sum of positive squares in 2 ways, for example, as 2387025 + 273529 = 1545^2 + 523^2 .

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 (2660557) 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, 51139 + ... + 51190.

2^2660554 is an apocalyptic number.

2660554 is a deficient number, since it is larger than the sum of its proper divisors (1637306).

2660554 is a wasteful number, since it uses less digits than its factorization.

2660554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102344.

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

The square root of 2660554 is about 1631.1204737848. The cubic root of 2660554 is about 138.5662166480.

The spelling of 2660554 in words is "two million, six hundred sixty thousand, five hundred fifty-four".