2824642 has 4 divisors (see below), whose sum is σ = 4236966. Its totient is φ = 1412320.

The previous prime is 2824637. The next prime is 2824643. The reversal of 2824642 is 2464282.

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., 2752281 + 72361 = 1659^2 + 269^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2824642.

It is not an unprimeable number, because it can be changed into a prime (2824643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 706159 + ... + 706162.

2^2824642 is an apocalyptic number.

2824642 is a deficient number, since it is larger than the sum of its proper divisors (1412324).

2824642 is a wasteful number, since it uses less digits than its factorization.

2824642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1412323.

The product of its digits is 6144, while the sum is 28.

The square root of 2824642 is about 1680.6671294459. The cubic root of 2824642 is about 141.3582426627.

The spelling of 2824642 in words is "two million, eight hundred twenty-four thousand, six hundred forty-two".