2130366 has 16 divisors (see below), whose sum is σ = 4869504. Its totient is φ = 608664.

The previous prime is 2130347. The next prime is 2130367. The reversal of 2130366 is 6630312.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130367) 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, 25320 + ... + 25403.

It is an arithmetic number, because the mean of its divisors is an integer number (304344).

2^2130366 is an apocalyptic number.

2130366 is an abundant number, since it is smaller than the sum of its proper divisors (2739138).

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

2130366 is a wasteful number, since it uses less digits than its factorization.

2130366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50735.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 2130366 is about 1459.5773360806. The cubic root of 2130366 is about 128.6722042355.

Adding to 2130366 its reverse (6630312), we get a palindrome (8760678).

The spelling of 2130366 in words is "two million, one hundred thirty thousand, three hundred sixty-six".