2406840189 has 16 divisors (see below), whose sum is σ = 3478871424. Its totient is φ = 1471320000.

The previous prime is 2406840157. The next prime is 2406840193. The reversal of 2406840189 is 9810486042.

It is not a de Polignac number, because 2406840189 - 2⁵ = 2406840157 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2406840189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2406840089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198462 + ... + 210239.

It is an arithmetic number, because the mean of its divisors is an integer number (217429464).

Almost surely, 2^2406840189 is an apocalyptic number.

It is an amenable number.

2406840189 is a deficient number, since it is larger than the sum of its proper divisors (1072031235).

2406840189 is a wasteful number, since it uses less digits than its factorization.

2406840189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408868.

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 2406840189 is about 49059.5575703654. The cubic root of 2406840189 is about 1340.1366514312.

The spelling of 2406840189 in words is "two billion, four hundred six million, eight hundred forty thousand, one hundred eighty-nine".