3981858760 has 32 divisors (see below), whose sum is σ = 9773654400. Its totient is φ = 1447948480.

The previous prime is 3981858733. The next prime is 3981858799. The reversal of 3981858760 is 678581893.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4524400 + ... + 4525279.

It is an arithmetic number, because the mean of its divisors is an integer number (305426700).

Almost surely, 2^3981858760 is an apocalyptic number.

It is an amenable number.

3981858760 is an abundant number, since it is smaller than the sum of its proper divisors (5791795640).

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

3981858760 is a wasteful number, since it uses less digits than its factorization.

3981858760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9049701 (or 9049697 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 55.

The square root of 3981858760 is about 63101.9711261067. The cubic root of 3981858760 is about 1584.9976295878.

The spelling of 3981858760 in words is "three billion, nine hundred eighty-one million, eight hundred fifty-eight thousand, seven hundred sixty".