47891286 has 48 divisors (see below), whose sum is σ = 109877040. Its totient is φ = 15033600.

The previous prime is 47891269. The next prime is 47891287. The reversal of 47891286 is 68219874.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47891287) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79386 + ... + 79986.

It is an arithmetic number, because the mean of its divisors is an integer number (2289105).

Almost surely, 2^47891286 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47891286, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54938520).

47891286 is an abundant number, since it is smaller than the sum of its proper divisors (61985754).

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

47891286 is a wasteful number, since it uses less digits than its factorization.

47891286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861 (or 858 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 47891286 is about 6920.3530256772. The cubic root of 47891286 is about 363.1495411006.

The spelling of 47891286 in words is "forty-seven million, eight hundred ninety-one thousand, two hundred eighty-six".