2185596972 has 96 divisors (see below), whose sum is σ = 6121973760. Its totient is φ = 670317120.

The previous prime is 2185596967. The next prime is 2185596983. The reversal of 2185596972 is 2796955812.

2185596972 is a `hidden beast` number, since 2 + 18 + 559 + 6 + 9 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 462373 + ... + 467075.

It is an arithmetic number, because the mean of its divisors is an integer number (63770560).

Almost surely, 2^2185596972 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2185596972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3060986880).

2185596972 is an abundant number, since it is smaller than the sum of its proper divisors (3936376788).

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

2185596972 is a wasteful number, since it uses less digits than its factorization.

2185596972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5060 (or 5052 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 54.

The square root of 2185596972 is about 46750.3686830382. The cubic root of 2185596972 is about 1297.7469796140.

The spelling of 2185596972 in words is "two billion, one hundred eighty-five million, five hundred ninety-six thousand, nine hundred seventy-two".