47803408 has 20 divisors (see below), whose sum is σ = 95123500. Its totient is φ = 23255424.

The previous prime is 47803391. The next prime is 47803409. The reversal of 47803408 is 80430874.

It can be written as a sum of positive squares in 2 ways, for example, as 43930384 + 3873024 = 6628^2 + 1968^2 .

It is not an unprimeable number, because it can be changed into a prime (47803409) 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, 39783 + ... + 40966.

It is an arithmetic number, because the mean of its divisors is an integer number (4756175).

Almost surely, 2^47803408 is an apocalyptic number.

It is an amenable number.

47803408 is a deficient number, since it is larger than the sum of its proper divisors (47320092).

47803408 is a wasteful number, since it uses less digits than its factorization.

47803408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80794 (or 80788 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 47803408 is about 6914.0008678044. Note that the first 3 decimals coincide. The cubic root of 47803408 is about 362.9272849768.

The spelling of 47803408 in words is "forty-seven million, eight hundred three thousand, four hundred eight".