3487669328 has 80 divisors (see below), whose sum is σ = 7968823296. Its totient is φ = 1457809920.

The previous prime is 3487669307. The next prime is 3487669363. The reversal of 3487669328 is 8239667843.

It is a happy number.

3487669328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent 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, 631025 + ... + 636527.

Almost surely, 2^3487669328 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 3487669328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3984411648).

3487669328 is an abundant number, since it is smaller than the sum of its proper divisors (4481153968).

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

3487669328 is a wasteful number, since it uses less digits than its factorization.

3487669328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5812 (or 5806 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 56.

The square root of 3487669328 is about 59056.4926828541. The cubic root of 3487669328 is about 1516.5093792584.

The spelling of 3487669328 in words is "three billion, four hundred eighty-seven million, six hundred sixty-nine thousand, three hundred twenty-eight".