47243860 has 12 divisors (see below), whose sum is σ = 99212148. Its totient is φ = 18897536.

The previous prime is 47243851. The next prime is 47243869. The reversal of 47243860 is 6834274.

It is an interprime number because it is at equal distance from previous prime (47243851) and next prime (47243869).

It can be written as a sum of positive squares in 2 ways, for example, as 19660356 + 27583504 = 4434^2 + 5252^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47243869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1181077 + ... + 1181116.

It is an arithmetic number, because the mean of its divisors is an integer number (8267679).

Almost surely, 2^47243860 is an apocalyptic number.

It is an amenable number.

47243860 is an abundant number, since it is smaller than the sum of its proper divisors (51968288).

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

47243860 is a wasteful number, since it uses less digits than its factorization.

47243860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2362202 (or 2362200 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 47243860 is about 6873.4169086416. The cubic root of 47243860 is about 361.5056793993.

The spelling of 47243860 in words is "forty-seven million, two hundred forty-three thousand, eight hundred sixty".