3238952639 has 4 divisors (see below), whose sum is σ = 3488102856. Its totient is φ = 2989802424.

The previous prime is 3238952627. The next prime is 3238952663. The reversal of 3238952639 is 9362598323.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3238952639 - 2⁸ = 3238952383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3238952039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124575089 + ... + 124575114.

It is an arithmetic number, because the mean of its divisors is an integer number (872025714).

Almost surely, 2^3238952639 is an apocalyptic number.

3238952639 is a deficient number, since it is larger than the sum of its proper divisors (249150217).

3238952639 is a wasteful number, since it uses less digits than its factorization.

3238952639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249150216.

The product of its digits is 2099520, while the sum is 50.

The square root of 3238952639 is about 56911.7970108131. The cubic root of 3238952639 is about 1479.5677820846.

The spelling of 3238952639 in words is "three billion, two hundred thirty-eight million, nine hundred fifty-two thousand, six hundred thirty-nine".