3920872670 has 48 divisors (see below), whose sum is σ = 8337008592. Its totient is φ = 1316090880.

The previous prime is 3920872649. The next prime is 3920872687. The reversal of 3920872670 is 762780293.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86867 + ... + 124046.

It is an arithmetic number, because the mean of its divisors is an integer number (173687679).

Almost surely, 2^3920872670 is an apocalyptic number.

3920872670 is an abundant number, since it is smaller than the sum of its proper divisors (4416135922).

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

3920872670 is a wasteful number, since it uses less digits than its factorization.

3920872670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210957 (or 210944 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 3920872670 is about 62616.8720873216. The cubic root of 3920872670 is about 1576.8640290274.

The spelling of 3920872670 in words is "three billion, nine hundred twenty million, eight hundred seventy-two thousand, six hundred seventy".