2679818 has 4 divisors (see below), whose sum is σ = 4019730. Its totient is φ = 1339908.

The previous prime is 2679811. The next prime is 2679841. The reversal of 2679818 is 8189762.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2679769 + 49 = 1637^2 + 7^2 .

It is not an unprimeable number, because it can be changed into a prime (2679811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 669953 + ... + 669956.

2^2679818 is an apocalyptic number.

2679818 is a deficient number, since it is larger than the sum of its proper divisors (1339912).

2679818 is a wasteful number, since it uses less digits than its factorization.

2679818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339911.

The product of its digits is 48384, while the sum is 41.

The square root of 2679818 is about 1637.0149663335. The cubic root of 2679818 is about 138.8998467680.

The spelling of 2679818 in words is "two million, six hundred seventy-nine thousand, eight hundred eighteen".