2647642 has 16 divisors (see below), whose sum is σ = 4147200. Its totient is φ = 1266160.

The previous prime is 2647627. The next prime is 2647643. The reversal of 2647642 is 2467462.

2647642 is nontrivially palindromic in base 9.

It is not an unprimeable number, because it can be changed into a prime (2647643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10959 + ... + 11197.

It is an arithmetic number, because the mean of its divisors is an integer number (259200).

2^2647642 is an apocalyptic number.

2647642 is a deficient number, since it is larger than the sum of its proper divisors (1499558).

2647642 is a wasteful number, since it uses less digits than its factorization.

2647642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461.

The product of its digits is 16128, while the sum is 31.

The square root of 2647642 is about 1627.1576444832. The cubic root of 2647642 is about 138.3416933384.

The spelling of 2647642 in words is "two million, six hundred forty-seven thousand, six hundred forty-two".