2642698 has 4 divisors (see below), whose sum is σ = 3964050. Its totient is φ = 1321348.

The previous prime is 2642693. The next prime is 2642699. The reversal of 2642698 is 8962462.

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., 1734489 + 908209 = 1317^2 + 953^2 .

It is not an unprimeable number, because it can be changed into a prime (2642693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660673 + ... + 660676.

2^2642698 is an apocalyptic number.

2642698 is a deficient number, since it is larger than the sum of its proper divisors (1321352).

2642698 is a wasteful number, since it uses less digits than its factorization.

2642698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321351.

The product of its digits is 41472, while the sum is 37.

The square root of 2642698 is about 1625.6377210190. The cubic root of 2642698 is about 138.2555301916.

It can be divided in two parts, 26 and 42698, that added together give a palindrome (42724).

The spelling of 2642698 in words is "two million, six hundred forty-two thousand, six hundred ninety-eight".