47280438 has 12 divisors (see below), whose sum is σ = 102440988. Its totient is φ = 15760140.

The previous prime is 47280437. The next prime is 47280439. The reversal of 47280438 is 83408274.

47280438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (47280437) and next prime (47280439).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47280437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1313328 + ... + 1313363.

It is an arithmetic number, because the mean of its divisors is an integer number (8536749).

Almost surely, 2^47280438 is an apocalyptic number.

47280438 is an abundant number, since it is smaller than the sum of its proper divisors (55160550).

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

47280438 is a wasteful number, since it uses less digits than its factorization.

47280438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2626699 (or 2626696 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 47280438 is about 6876.0772246972. The cubic root of 47280438 is about 361.5989524975.

The spelling of 47280438 in words is "forty-seven million, two hundred eighty thousand, four hundred thirty-eight".