47849924 has 6 divisors (see below), whose sum is σ = 83737374. Its totient is φ = 23924960.

The previous prime is 47849891. The next prime is 47849929. The reversal of 47849924 is 42994874.

It can be written as a sum of positive squares in only one way, i.e., 47334400 + 515524 = 6880^2 + 718^2 .

It is not an unprimeable number, because it can be changed into a prime (47849929) 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 as a sum of consecutive naturals, namely, 5981237 + ... + 5981244.

It is an arithmetic number, because the mean of its divisors is an integer number (13956229).

Almost surely, 2^47849924 is an apocalyptic number.

It is an amenable number.

47849924 is a deficient number, since it is larger than the sum of its proper divisors (35887450).

47849924 is a wasteful number, since it uses less digits than its factorization.

47849924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11962485 (or 11962483 counting only the distinct ones).

The product of its digits is 580608, while the sum is 47.

The square root of 47849924 is about 6917.3639487886. The cubic root of 47849924 is about 363.0449645419.

The spelling of 47849924 in words is "forty-seven million, eight hundred forty-nine thousand, nine hundred twenty-four".