3891150986 has 8 divisors (see below), whose sum is σ = 5837479104. Its totient is φ = 1945324620.

The previous prime is 3891150959. The next prime is 3891151003. The reversal of 3891150986 is 6890511983.

It is a happy number.

3891150986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105410 + ... + 137453.

It is an arithmetic number, because the mean of its divisors is an integer number (729684888).

Almost surely, 2^3891150986 is an apocalyptic number.

3891150986 is a deficient number, since it is larger than the sum of its proper divisors (1946328118).

3891150986 is a wasteful number, since it uses less digits than its factorization.

3891150986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250876.

The product of its (nonzero) digits is 466560, while the sum is 50.

The square root of 3891150986 is about 62379.0909359859. The cubic root of 3891150986 is about 1572.8695119163.

The spelling of 3891150986 in words is "three billion, eight hundred ninety-one million, one hundred fifty thousand, nine hundred eighty-six".