2130606 has 24 divisors (see below), whose sum is σ = 4730544. Its totient is φ = 692640.

The previous prime is 2130581. The next prime is 2130613. The reversal of 2130606 is 6060312.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 706 + ... + 2181.

It is an arithmetic number, because the mean of its divisors is an integer number (197106).

2^2130606 is an apocalyptic number.

2130606 is an abundant number, since it is smaller than the sum of its proper divisors (2599938).

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

2130606 is a wasteful number, since it uses less digits than its factorization.

2130606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2936 (or 2933 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2130606 is about 1459.6595493470. The cubic root of 2130606 is about 128.6770359826.

Adding to 2130606 its reverse (6060312), we get a palindrome (8190918).

The spelling of 2130606 in words is "two million, one hundred thirty thousand, six hundred six".