3246638538 has 32 divisors (see below), whose sum is σ = 7628467392. Its totient is φ = 908150400.

The previous prime is 3246638501. The next prime is 3246638561. The reversal of 3246638538 is 8358366423.

It is a super-4 number, since 4×3246638538⁴ (a number of 39 digits) contains 4444 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1891123 + ... + 1892838.

It is an arithmetic number, because the mean of its divisors is an integer number (238389606).

Almost surely, 2^3246638538 is an apocalyptic number.

3246638538 is an abundant number, since it is smaller than the sum of its proper divisors (4381828854).

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

3246638538 is a wasteful number, since it uses less digits than its factorization.

3246638538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3783990.

The product of its digits is 2488320, while the sum is 48.

The square root of 3246638538 is about 56979.2816557036. The cubic root of 3246638538 is about 1480.7371750644.

It can be divided in two parts, 32466385 and 38, that added together give a palindrome (32466423).

The spelling of 3246638538 in words is "three billion, two hundred forty-six million, six hundred thirty-eight thousand, five hundred thirty-eight".