2143750 has 48 divisors (see below), whose sum is σ = 4687200. Its totient is φ = 735000.

The previous prime is 2143741. The next prime is 2143753. The reversal of 2143750 is 573412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143753) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 306247 + ... + 306253.

It is an arithmetic number, because the mean of its divisors is an integer number (97650).

2^2143750 is an apocalyptic number.

2143750 is an abundant number, since it is smaller than the sum of its proper divisors (2543450).

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

2143750 is an frugal number, since it uses more digits than its factorization.

2143750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48 (or 14 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 2143750 is about 1464.1550464346. The cubic root of 2143750 is about 128.9411024524.

The spelling of 2143750 in words is "two million, one hundred forty-three thousand, seven hundred fifty".