2143401 has 8 divisors (see below), whose sum is σ = 3077760. Its totient is φ = 1318992.

The previous prime is 2143391. The next prime is 2143417. The reversal of 2143401 is 1043412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2143401 - 2⁵ = 2143369 is a prime.

It is a super-3 number, since 3×2143401³ = 29541431871003330603, which contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2143441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27441 + ... + 27518.

It is an arithmetic number, because the mean of its divisors is an integer number (384720).

2^2143401 is an apocalyptic number.

It is an amenable number.

2143401 is a deficient number, since it is larger than the sum of its proper divisors (934359).

2143401 is a wasteful number, since it uses less digits than its factorization.

2143401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54975.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2143401 is about 1464.0358602165. The cubic root of 2143401 is about 128.9341049190.

Adding to 2143401 its reverse (1043412), we get a palindrome (3186813).

The spelling of 2143401 in words is "two million, one hundred forty-three thousand, four hundred one".