47128484 has 12 divisors (see below), whose sum is σ = 88819164. Its totient is φ = 21751584.

The previous prime is 47128483. The next prime is 47128547. The reversal of 47128484 is 48482174.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 21827584 + 25300900 = 4672^2 + 5030^2 .

It is not an unprimeable number, because it can be changed into a prime (47128481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 453107 + ... + 453210.

It is an arithmetic number, because the mean of its divisors is an integer number (7401597).

Almost surely, 2^47128484 is an apocalyptic number.

It is an amenable number.

47128484 is a deficient number, since it is larger than the sum of its proper divisors (41690680).

47128484 is a wasteful number, since it uses less digits than its factorization.

47128484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906334 (or 906332 counting only the distinct ones).

The product of its digits is 57344, while the sum is 38.

The square root of 47128484 is about 6865.0188637760. The cubic root of 47128484 is about 361.2111573280.

The spelling of 47128484 in words is "forty-seven million, one hundred twenty-eight thousand, four hundred eighty-four".