2143801 has 4 divisors (see below), whose sum is σ = 2338704. Its totient is φ = 1948900.

The previous prime is 2143793. The next prime is 2143829. The reversal of 2143801 is 1083412.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2143801 - 2³ = 2143793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2143831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97435 + ... + 97456.

It is an arithmetic number, because the mean of its divisors is an integer number (584676).

2^2143801 is an apocalyptic number.

It is an amenable number.

2143801 is a deficient number, since it is larger than the sum of its proper divisors (194903).

2143801 is a wasteful number, since it uses less digits than its factorization.

2143801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194902.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 2143801 is about 1464.1724625194. The cubic root of 2143801 is about 128.9421249510.

The spelling of 2143801 in words is "two million, one hundred forty-three thousand, eight hundred one".