3886751990 has 64 divisors (see below), whose sum is σ = 8101954368. Its totient is φ = 1326796800.

The previous prime is 3886751977. The next prime is 3886752011. The reversal of 3886751990 is 991576883.

It is a super-3 number, since 3×3886751990³ (a number of 30 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 784802 + ... + 789738.

It is an arithmetic number, because the mean of its divisors is an integer number (126593037).

Almost surely, 2^3886751990 is an apocalyptic number.

3886751990 is an abundant number, since it is smaller than the sum of its proper divisors (4215202378).

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

3886751990 is a wasteful number, since it uses less digits than its factorization.

3886751990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5393.

The product of its (nonzero) digits is 3265920, while the sum is 56.

The square root of 3886751990 is about 62343.8207844210. The cubic root of 3886751990 is about 1572.2765720456.

The spelling of 3886751990 in words is "three billion, eight hundred eighty-six million, seven hundred fifty-one thousand, nine hundred ninety".