2116432 has 40 divisors (see below), whose sum is σ = 4499712. Its totient is φ = 960000.

The previous prime is 2116427. The next prime is 2116441. The reversal of 2116432 is 2346112.

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 7 ways as a sum of consecutive naturals, for example, 8307 + ... + 8557.

2^2116432 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 2116432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2249856).

2116432 is an abundant number, since it is smaller than the sum of its proper divisors (2383280).

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

2116432 is a wasteful number, since it uses less digits than its factorization.

2116432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307 (or 301 counting only the distinct ones).

The product of its digits is 288, while the sum is 19.

The square root of 2116432 is about 1454.7962056591. The cubic root of 2116432 is about 128.3910566585.

The spelling of 2116432 in words is "two million, one hundred sixteen thousand, four hundred thirty-two".