2661627 has 8 divisors (see below), whose sum is σ = 3571264. Its totient is φ = 1763208.

The previous prime is 2661611. The next prime is 2661641. The reversal of 2661627 is 7261662.

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

It is not a de Polignac number, because 2661627 - 2⁴ = 2661611 is a prime.

It is a Duffinian number.

2661627 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2661594 and 2661603.

It is not an unprimeable number, because it can be changed into a prime (2661647) 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 7 ways as a sum of consecutive naturals, for example, 2233 + ... + 3210.

It is an arithmetic number, because the mean of its divisors is an integer number (446408).

2^2661627 is an apocalyptic number.

2661627 is a deficient number, since it is larger than the sum of its proper divisors (909637).

2661627 is a wasteful number, since it uses less digits than its factorization.

2661627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5609.

The product of its digits is 6048, while the sum is 30.

The square root of 2661627 is about 1631.4493556344. The cubic root of 2661627 is about 138.5848420380.

The spelling of 2661627 in words is "two million, six hundred sixty-one thousand, six hundred twenty-seven".