4390143 has 8 divisors (see below), whose sum is σ = 5936256. Its totient is φ = 2885400.

The previous prime is 4390117. The next prime is 4390151. The reversal of 4390143 is 3410934.

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

It is not a de Polignac number, because 4390143 - 2¹⁸ = 4127999 is a prime.

4390143 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4395143) 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, 10093 + ... + 10518.

It is an arithmetic number, because the mean of its divisors is an integer number (742032).

Almost surely, 2^4390143 is an apocalyptic number.

4390143 is a deficient number, since it is larger than the sum of its proper divisors (1546113).

4390143 is a wasteful number, since it uses less digits than its factorization.

4390143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20685.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 4390143 is about 2095.2668087859. The cubic root of 4390143 is about 163.7417982412.

The spelling of 4390143 in words is "four million, three hundred ninety thousand, one hundred forty-three".