3499639248 has 80 divisors (see below), whose sum is σ = 10381446656. Its totient is φ = 995137920.

The previous prime is 3499639229. The next prime is 3499639289. The reversal of 3499639248 is 8429369943.

It is a happy number.

It is a super-2 number, since 2×3499639248² = 24494949732284011008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46215 + ... + 95577.

Almost surely, 2^3499639248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3499639248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5190723328).

3499639248 is an abundant number, since it is smaller than the sum of its proper divisors (6881807408).

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

3499639248 is a wasteful number, since it uses less digits than its factorization.

3499639248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49592 (or 49586 counting only the distinct ones).

The product of its digits is 10077696, while the sum is 57.

The square root of 3499639248 is about 59157.7488415508. The cubic root of 3499639248 is about 1518.2423195957.

The spelling of 3499639248 in words is "three billion, four hundred ninety-nine million, six hundred thirty-nine thousand, two hundred forty-eight".