3249839638 has 16 divisors (see below), whose sum is σ = 4998350016. Its totient is φ = 1583877960.

The previous prime is 3249839633. The next prime is 3249839639. The reversal of 3249839638 is 8369389423.

It is a super-2 number, since 2×3249839638² = 21122915345431942088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3249839633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3745 + ... + 80707.

It is an arithmetic number, because the mean of its divisors is an integer number (312396876).

Almost surely, 2^3249839638 is an apocalyptic number.

3249839638 is a deficient number, since it is larger than the sum of its proper divisors (1748510378).

3249839638 is a wasteful number, since it uses less digits than its factorization.

3249839638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77499.

The product of its digits is 6718464, while the sum is 55.

The square root of 3249839638 is about 57007.3647698260. The cubic root of 3249839638 is about 1481.2236711468.

The spelling of 3249839638 in words is "three billion, two hundred forty-nine million, eight hundred thirty-nine thousand, six hundred thirty-eight".