2185929452 has 24 divisors (see below), whose sum is σ = 4373698560. Its totient is φ = 936432720.

The previous prime is 2185929379. The next prime is 2185929457. The reversal of 2185929452 is 2549295812.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2185929397 and 2185929406.

It is not an unprimeable number, because it can be changed into a prime (2185929457) 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 7 ways as a sum of consecutive naturals, for example, 57077 + ... + 87347.

It is an arithmetic number, because the mean of its divisors is an integer number (182237440).

Almost surely, 2^2185929452 is an apocalyptic number.

It is an amenable number.

2185929452 is an abundant number, since it is smaller than the sum of its proper divisors (2187769108).

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

2185929452 is a wasteful number, since it uses less digits than its factorization.

2185929452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32861 (or 32859 counting only the distinct ones).

The product of its digits is 518400, while the sum is 47.

The square root of 2185929452 is about 46753.9244556005. The cubic root of 2185929452 is about 1297.8127820842.

The spelling of 2185929452 in words is "two billion, one hundred eighty-five million, nine hundred twenty-nine thousand, four hundred fifty-two".