2116520 has 32 divisors (see below), whose sum is σ = 5443200. Its totient is φ = 725568.

The previous prime is 2116519. The next prime is 2116523. The reversal of 2116520 is 256112.

It is not an unprimeable number, because it can be changed into a prime (2116523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3500 + ... + 4059.

It is an arithmetic number, because the mean of its divisors is an integer number (170100).

2^2116520 is an apocalyptic number.

2116520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2116520 is an abundant number, since it is smaller than the sum of its proper divisors (3326680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2116520 is a wasteful number, since it uses less digits than its factorization.

2116520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7577 (or 7573 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 2116520 is about 1454.8264501307. The cubic root of 2116520 is about 128.3928361088.

The spelling of 2116520 in words is "two million, one hundred sixteen thousand, five hundred twenty".