240000189 has 32 divisors (see below), whose sum is σ = 383975424. Its totient is φ = 131398080.

The previous prime is 240000181. The next prime is 240000247. The reversal of 240000189 is 981000042.

It is not a de Polignac number, because 240000189 - 2³ = 240000181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240000181) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14212 + ... + 26114.

It is an arithmetic number, because the mean of its divisors is an integer number (11999232).

Almost surely, 2^240000189 is an apocalyptic number.

It is an amenable number.

240000189 is a deficient number, since it is larger than the sum of its proper divisors (143975235).

240000189 is a wasteful number, since it uses less digits than its factorization.

240000189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11977.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 240000189 is about 15491.9394847772. The cubic root of 240000189 is about 621.4466643204.

The spelling of 240000189 in words is "two hundred forty million, one hundred eighty-nine", and thus it is an aban number.