2820602 has 4 divisors (see below), whose sum is σ = 4230906. Its totient is φ = 1410300.

The previous prime is 2820563. The next prime is 2820619. The reversal of 2820602 is 2060282.

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., 2399401 + 421201 = 1549^2 + 649^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 705149 + ... + 705152.

2^2820602 is an apocalyptic number.

2820602 is a deficient number, since it is larger than the sum of its proper divisors (1410304).

2820602 is a wasteful number, since it uses less digits than its factorization.

2820602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1410303.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2820602 is about 1679.4647957013. The cubic root of 2820602 is about 141.2908170342.

Adding to 2820602 its reverse (2060282), we get a palindrome (4880884).

The spelling of 2820602 in words is "two million, eight hundred twenty thousand, six hundred two".