3487143996 has 216 divisors, whose sum is σ = 10838091264. Its totient is φ = 941129280.

The previous prime is 3487143983. The next prime is 3487144007. The reversal of 3487143996 is 6993417843.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2350671 + ... + 2352153.

Almost surely, 2^3487143996 is an apocalyptic number.

3487143996 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3487143996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5419045632).

3487143996 is an abundant number, since it is smaller than the sum of its proper divisors (7350947268).

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

3487143996 is a wasteful number, since it uses less digits than its factorization.

3487143996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1581 (or 1569 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 54.

The square root of 3487143996 is about 59052.0448079489. The cubic root of 3487143996 is about 1516.4332337648.

The spelling of 3487143996 in words is "three billion, four hundred eighty-seven million, one hundred forty-three thousand, nine hundred ninety-six".