3886087440 has 80 divisors (see below), whose sum is σ = 12063031488. Its totient is φ = 1034899968.

The previous prime is 3886087427. The next prime is 3886087441. The reversal of 3886087440 is 447806883.

3886087440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 3886087440.

It is not an unprimeable number, because it can be changed into a prime (3886087441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175047 + ... + 195993.

Almost surely, 2^3886087440 is an apocalyptic number.

3886087440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3886087440 is an abundant number, since it is smaller than the sum of its proper divisors (8176944048).

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

3886087440 is a wasteful number, since it uses less digits than its factorization.

3886087440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21736 (or 21730 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 48.

The square root of 3886087440 is about 62338.4908383256. The cubic root of 3886087440 is about 1572.1869585797.

The spelling of 3886087440 in words is "three billion, eight hundred eighty-six million, eighty-seven thousand, four hundred forty".