3234405872 has 20 divisors (see below), whose sum is σ = 6596486280. Its totient is φ = 1532086848.

The previous prime is 3234405869. The next prime is 3234405877. The reversal of 3234405872 is 2785044323.

It is a super-2 number, since 2×3234405872² = 20922762689656160768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3234405877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5319443 + ... + 5320050.

It is an arithmetic number, because the mean of its divisors is an integer number (329824314).

Almost surely, 2^3234405872 is an apocalyptic number.

It is an amenable number.

3234405872 is an abundant number, since it is smaller than the sum of its proper divisors (3362080408).

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

3234405872 is a wasteful number, since it uses less digits than its factorization.

3234405872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10639520 (or 10639514 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 38.

The square root of 3234405872 is about 56871.8372483253. The cubic root of 3234405872 is about 1478.8751301663.

The spelling of 3234405872 in words is "three billion, two hundred thirty-four million, four hundred five thousand, eight hundred seventy-two".