3847909628 has 12 divisors (see below), whose sum is σ = 6750308880. Its totient is φ = 1919249952.

The previous prime is 3847909619. The next prime is 3847909649. The reversal of 3847909628 is 8269097483.

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 3 ways as a sum of consecutive naturals, for example, 1174376 + ... + 1177647.

It is an arithmetic number, because the mean of its divisors is an integer number (562525740).

Almost surely, 2^3847909628 is an apocalyptic number.

It is an amenable number.

3847909628 is a deficient number, since it is larger than the sum of its proper divisors (2902399252).

3847909628 is a wasteful number, since it uses less digits than its factorization.

3847909628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2352436 (or 2352434 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 56.

The square root of 3847909628 is about 62031.5212452508. The cubic root of 3847909628 is about 1567.0214977991.

The spelling of 3847909628 in words is "three billion, eight hundred forty-seven million, nine hundred nine thousand, six hundred twenty-eight".