3887651740 has 48 divisors (see below), whose sum is σ = 9398515392. Its totient is φ = 1323173376.

The previous prime is 3887651639. The next prime is 3887651771. The reversal of 3887651740 is 471567883.

It is a happy number.

It is a super-2 number, since 2×3887651740² = 30227672103050055200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82167 + ... + 120526.

It is an arithmetic number, because the mean of its divisors is an integer number (195802404).

Almost surely, 2^3887651740 is an apocalyptic number.

It is an amenable number.

3887651740 is an abundant number, since it is smaller than the sum of its proper divisors (5510863652).

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

3887651740 is a wasteful number, since it uses less digits than its factorization.

3887651740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202846 (or 202844 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 49.

The square root of 3887651740 is about 62351.0363987641. The cubic root of 3887651740 is about 1572.3978855660.

The spelling of 3887651740 in words is "three billion, eight hundred eighty-seven million, six hundred fifty-one thousand, seven hundred forty".