2130732 has 48 divisors (see below), whose sum is σ = 5605600. Its totient is φ = 699840.

The previous prime is 2130727. The next prime is 2130757. The reversal of 2130732 is 2370312.

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

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11682 + ... + 11862.

2^2130732 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2130732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2802800).

2130732 is an abundant number, since it is smaller than the sum of its proper divisors (3474868).

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

2130732 is a wasteful number, since it uses less digits than its factorization.

2130732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303 (or 295 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 2130732 is about 1459.7027094583. The cubic root of 2130732 is about 128.6795725046.

The spelling of 2130732 in words is "two million, one hundred thirty thousand, seven hundred thirty-two".