2130916 has 12 divisors (see below), whose sum is σ = 3948588. Its totient is φ = 1002752.

The previous prime is 2130911. The next prime is 2130917. The reversal of 2130916 is 6190312.

It can be written as a sum of positive squares in 2 ways, for example, as 1876900 + 254016 = 1370^2 + 504^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130911) 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, 15601 + ... + 15736.

It is an arithmetic number, because the mean of its divisors is an integer number (329049).

2^2130916 is an apocalyptic number.

It is an amenable number.

2130916 is a deficient number, since it is larger than the sum of its proper divisors (1817672).

2130916 is a wasteful number, since it uses less digits than its factorization.

2130916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31358 (or 31356 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 2130916 is about 1459.7657346300. The cubic root of 2130916 is about 128.6832764523.

The spelling of 2130916 in words is "two million, one hundred thirty thousand, nine hundred sixteen".