4140389 has 4 divisors (see below), whose sum is σ = 4516800. Its totient is φ = 3763980.

The previous prime is 4140379. The next prime is 4140397. The reversal of 4140389 is 9830414.

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 not a de Polignac number, because 4140389 - 2⁴ = 4140373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4140379) 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, 188189 + ... + 188210.

It is an arithmetic number, because the mean of its divisors is an integer number (1129200).

Almost surely, 2^4140389 is an apocalyptic number.

It is an amenable number.

4140389 is a deficient number, since it is larger than the sum of its proper divisors (376411).

4140389 is a wasteful number, since it uses less digits than its factorization.

4140389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376410.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 4140389 is about 2034.7945842271. The cubic root of 4140389 is about 160.5759063579.

The spelling of 4140389 in words is "four million, one hundred forty thousand, three hundred eighty-nine".