47861892 has 72 divisors (see below), whose sum is σ = 134534400. Its totient is φ = 14247360.

The previous prime is 47861857. The next prime is 47861899. The reversal of 47861892 is 29816874.

It is not an unprimeable number, because it can be changed into a prime (47861899) 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, 12859 + ... + 16157.

Almost surely, 2^47861892 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47861892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67267200).

47861892 is an abundant number, since it is smaller than the sum of its proper divisors (86672508).

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

47861892 is a wasteful number, since it uses less digits than its factorization.

47861892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3353 (or 3348 counting only the distinct ones).

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

The square root of 47861892 is about 6918.2289641208. The cubic root of 47861892 is about 363.0752297236.

The spelling of 47861892 in words is "forty-seven million, eight hundred sixty-one thousand, eight hundred ninety-two".