2662018 has 8 divisors (see below), whose sum is σ = 4047948. Its totient is φ = 1312704.

The previous prime is 2661991. The next prime is 2662027. The reversal of 2662018 is 8102662.

It can be written as a sum of positive squares in 2 ways, for example, as 2634129 + 27889 = 1623^2 + 167^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 2661983 and 2662001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8971 + ... + 9262.

2^2662018 is an apocalyptic number.

2662018 is a deficient number, since it is larger than the sum of its proper divisors (1385930).

2662018 is a wasteful number, since it uses less digits than its factorization.

2662018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18308.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 2662018 is about 1631.5691833324. The cubic root of 2662018 is about 138.5916278649.

The spelling of 2662018 in words is "two million, six hundred sixty-two thousand, eighteen".