2621116 has 12 divisors (see below), whose sum is σ = 4607680. Its totient is φ = 1304640.

The previous prime is 2621063. The next prime is 2621119. The reversal of 2621116 is 6111262.

It is a junction number, because it is equal to n+sod(n) for n = 2621093 and 2621102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2621119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 396 + ... + 2323.

2^2621116 is an apocalyptic number.

It is an amenable number.

2621116 is a deficient number, since it is larger than the sum of its proper divisors (1986564).

2621116 is a wasteful number, since it uses less digits than its factorization.

2621116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2964 (or 2962 counting only the distinct ones).

The product of its digits is 144, while the sum is 19.

The square root of 2621116 is about 1618.9861024728. The cubic root of 2621116 is about 137.8781392896.

Adding to 2621116 its reverse (6111262), we get a palindrome (8732378).

It can be divided in two parts, 262 and 1116, that added together give a triangular number (1378 = T₅₂).

The spelling of 2621116 in words is "two million, six hundred twenty-one thousand, one hundred sixteen".