3891043152 has 60 divisors (see below), whose sum is σ = 10938438784. Its totient is φ = 1291187520.

The previous prime is 3891043139. The next prime is 3891043171. The reversal of 3891043152 is 2513401983.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28474 + ... + 92697.

Almost surely, 2^3891043152 is an apocalyptic number.

It is an amenable number.

3891043152 is an abundant number, since it is smaller than the sum of its proper divisors (7047395632).

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

3891043152 is a wasteful number, since it uses less digits than its factorization.

3891043152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121408 (or 121399 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 3891043152 is about 62378.2265858849. The cubic root of 3891043152 is about 1572.8549823355.

The spelling of 3891043152 in words is "three billion, eight hundred ninety-one million, forty-three thousand, one hundred fifty-two".