47281338 has 96 divisors (see below), whose sum is σ = 116852736. Its totient is φ = 13716864.

The previous prime is 47281331. The next prime is 47281349. The reversal of 47281338 is 83318274.

47281338 is a `hidden beast` number, since 47 + 281 + 338 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (47281331) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 372231 + ... + 372357.

It is an arithmetic number, because the mean of its divisors is an integer number (1217216).

Almost surely, 2^47281338 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47281338, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58426368).

47281338 is an abundant number, since it is smaller than the sum of its proper divisors (69571398).

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

47281338 is a wasteful number, since it uses less digits than its factorization.

47281338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228 (or 225 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 47281338 is about 6876.1426686770. The cubic root of 47281338 is about 361.6012468713.

It can be divided in two parts, 472 and 81338, that added together give a triangular number (81810 = T₄₀₄).

The spelling of 47281338 in words is "forty-seven million, two hundred eighty-one thousand, three hundred thirty-eight".