3238661853 has 128 divisors (see below), whose sum is σ = 6094848000. Its totient is φ = 1657920960.

The previous prime is 3238661849. The next prime is 3238661893. The reversal of 3238661853 is 3581668323.

3238661853 is a `hidden beast` number, since 3 + 23 + 8 + 6 + 618 + 5 + 3 = 666.

It is not a de Polignac number, because 3238661853 - 2² = 3238661849 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3238661799 and 3238661808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3238661843) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5231778 + ... + 5232396.

It is an arithmetic number, because the mean of its divisors is an integer number (47616000).

Almost surely, 2^3238661853 is an apocalyptic number.

It is an amenable number.

3238661853 is a deficient number, since it is larger than the sum of its proper divisors (2856186147).

3238661853 is a wasteful number, since it uses less digits than its factorization.

3238661853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732 (or 726 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 3238661853 is about 56909.2422458778. The cubic root of 3238661853 is about 1479.5235033191.

The spelling of 3238661853 in words is "three billion, two hundred thirty-eight million, six hundred sixty-one thousand, eight hundred fifty-three".