2189874060 has 72 divisors (see below), whose sum is σ = 7246498896. Its totient is φ = 530878080.

The previous prime is 2189874053. The next prime is 2189874061. The reversal of 2189874060 is 604789812.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 2189873997 and 2189874015.

It is not an unprimeable number, because it can be changed into a prime (2189874061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 551019 + ... + 554978.

It is an arithmetic number, because the mean of its divisors is an integer number (100645818).

Almost surely, 2^2189874060 is an apocalyptic number.

2189874060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2189874060 is an abundant number, since it is smaller than the sum of its proper divisors (5056624836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2189874060 is a wasteful number, since it uses less digits than its factorization.

2189874060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106023 (or 1106018 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 2189874060 is about 46796.0902212995. The cubic root of 2189874060 is about 1298.5929668226.

The spelling of 2189874060 in words is "two billion, one hundred eighty-nine million, eight hundred seventy-four thousand, sixty".