3443825538 has 64 divisors (see below), whose sum is σ = 7877105280. Its totient is φ = 1114634304.

The previous prime is 3443825537. The next prime is 3443825597. The reversal of 3443825538 is 8355283443.

3443825538 is a `hidden beast` number, since 34 + 4 + 3 + 82 + 5 + 538 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 3443825493 and 3443825502.

It is not an unprimeable number, because it can be changed into a prime (3443825533) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 397420 + ... + 405992.

It is an arithmetic number, because the mean of its divisors is an integer number (123079770).

Almost surely, 2^3443825538 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3443825538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3938552640).

3443825538 is an abundant number, since it is smaller than the sum of its proper divisors (4433279742).

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

3443825538 is a wasteful number, since it uses less digits than its factorization.

3443825538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8800 (or 8794 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 45.

The square root of 3443825538 is about 58684.1165733966. The cubic root of 3443825538 is about 1510.1278400017.

The spelling of 3443825538 in words is "three billion, four hundred forty-three million, eight hundred twenty-five thousand, five hundred thirty-eight".