2620616 has 16 divisors (see below), whose sum is σ = 5072640. Its totient is φ = 1267920.

The previous prime is 2620591. The next prime is 2620619. The reversal of 2620616 is 6160262.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2620591 and 2620600.

It is not an unprimeable number, because it can be changed into a prime (2620619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5036 + ... + 5531.

It is an arithmetic number, because the mean of its divisors is an integer number (317040).

2^2620616 is an apocalyptic number.

It is an amenable number.

2620616 is a deficient number, since it is larger than the sum of its proper divisors (2452024).

2620616 is a wasteful number, since it uses less digits than its factorization.

2620616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10604 (or 10600 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 2620616 is about 1618.8316774761. The cubic root of 2620616 is about 137.8693715925.

Adding to 2620616 its reverse (6160262), we get a palindrome (8780878).

The spelling of 2620616 in words is "two million, six hundred twenty thousand, six hundred sixteen".