2620916 has 6 divisors (see below), whose sum is σ = 4586610. Its totient is φ = 1310456.

The previous prime is 2620913. The next prime is 2620921. The reversal of 2620916 is 6190262.

It can be written as a sum of positive squares in only one way, i.e., 1612900 + 1008016 = 1270^2 + 1004^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2620913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327611 + ... + 327618.

It is an arithmetic number, because the mean of its divisors is an integer number (764435).

2^2620916 is an apocalyptic number.

It is an amenable number.

2620916 is a deficient number, since it is larger than the sum of its proper divisors (1965694).

2620916 is a wasteful number, since it uses less digits than its factorization.

2620916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655233 (or 655231 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 2620916 is about 1618.9243342417. The cubic root of 2620916 is about 137.8746323446.

The spelling of 2620916 in words is "two million, six hundred twenty thousand, nine hundred sixteen".