3212243892 has 480 divisors, whose sum is σ = 10757577600. Its totient is φ = 821145600.

The previous prime is 3212243869. The next prime is 3212243939. The reversal of 3212243892 is 2983422123.

3212243892 is a `hidden beast` number, since 3 + 212 + 2 + 438 + 9 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 36092584 + ... + 36092672.

It is an arithmetic number, because the mean of its divisors is an integer number (22411620).

Almost surely, 2^3212243892 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 3212243892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5378788800).

3212243892 is an abundant number, since it is smaller than the sum of its proper divisors (7545333708).

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

3212243892 is a wasteful number, since it uses less digits than its factorization.

3212243892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189 (or 178 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 3212243892 is about 56676.6609108194. The cubic root of 3212243892 is about 1475.4896609648.

The spelling of 3212243892 in words is "three billion, two hundred twelve million, two hundred forty-three thousand, eight hundred ninety-two".