47382444 has 36 divisors (see below), whose sum is σ = 119990416. Its totient is φ = 15765408.

The previous prime is 47382427. The next prime is 47382449. The reversal of 47382444 is 44428374.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 47382399 and 47382408.

It is not an unprimeable number, because it can be changed into a prime (47382449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29937 + ... + 31479.

Almost surely, 2^47382444 is an apocalyptic number.

It is an amenable number.

47382444 is an abundant number, since it is smaller than the sum of its proper divisors (72607972).

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

47382444 is a wasteful number, since it uses less digits than its factorization.

47382444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2406 (or 2401 counting only the distinct ones).

The product of its digits is 86016, while the sum is 36.

The square root of 47382444 is about 6883.4906842386. The cubic root of 47382444 is about 361.8588116824.

The spelling of 47382444 in words is "forty-seven million, three hundred eighty-two thousand, four hundred forty-four".