3891541416 has 64 divisors (see below), whose sum is σ = 11189585280. Its totient is φ = 1104779520.

The previous prime is 3891541361. The next prime is 3891541441. The reversal of 3891541416 is 6141451983.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 47395 + ... + 100146.

It is an arithmetic number, because the mean of its divisors is an integer number (174837270).

Almost surely, 2^3891541416 is an apocalyptic number.

It is an amenable number.

3891541416 is an abundant number, since it is smaller than the sum of its proper divisors (7298043864).

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

3891541416 is a wasteful number, since it uses less digits than its factorization.

3891541416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147714 (or 147710 counting only the distinct ones).

The product of its digits is 103680, while the sum is 42.

The square root of 3891541416 is about 62382.2203516354. The cubic root of 3891541416 is about 1572.9221163092.

The spelling of 3891541416 in words is "three billion, eight hundred ninety-one million, five hundred forty-one thousand, four hundred sixteen".