2400189 has 8 divisors (see below), whose sum is σ = 3491232. Its totient is φ = 1454640.

The previous prime is 2400187. The next prime is 2400191. The reversal of 2400189 is 9810042.

It is an interprime number because it is at equal distance from previous prime (2400187) and next prime (2400191).

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

It is not a de Polignac number, because 2400189 - 2¹ = 2400187 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2400187) 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, 36334 + ... + 36399.

It is an arithmetic number, because the mean of its divisors is an integer number (436404).

2^2400189 is an apocalyptic number.

It is an amenable number.

2400189 is a deficient number, since it is larger than the sum of its proper divisors (1091043).

2400189 is a wasteful number, since it uses less digits than its factorization.

2400189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72747.

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

The square root of 2400189 is about 1549.2543367698. The cubic root of 2400189 is about 133.8901044472.

It can be divided in two parts, 24001 and 89, that added together give a triangular number (24090 = T₂₁₉).

The spelling of 2400189 in words is "two million, four hundred thousand, one hundred eighty-nine".