2921200 has 60 divisors (see below), whose sum is σ = 7188280. Its totient is φ = 1140480.

The previous prime is 2921197. The next prime is 2921203. The reversal of 2921200 is 21292.

It is a happy number.

2921200 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2921197) and next prime (2921203).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a zygodrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2921203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26746 + ... + 26854.

2^2921200 is an apocalyptic number.

2921200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2921200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3594140).

2921200 is an abundant number, since it is smaller than the sum of its proper divisors (4267080).

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

2921200 is a wasteful number, since it uses less digits than its factorization.

2921200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2921200 is about 1709.1518364382. The cubic root of 2921200 is about 142.9509669372.

Adding to 2921200 its reverse (21292), we get a palindrome (2942492).

The spelling of 2921200 in words is "two million, nine hundred twenty-one thousand, two hundred".