47280408 has 32 divisors (see below), whose sum is σ = 135087360. Its totient is φ = 13508640.

The previous prime is 47280407. The next prime is 47280437. The reversal of 47280408 is 80408274.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47280403) 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 7 ways as a sum of consecutive naturals, for example, 140548 + ... + 140883.

It is an arithmetic number, because the mean of its divisors is an integer number (4221480).

Almost surely, 2^47280408 is an apocalyptic number.

It is an amenable number.

47280408 is an abundant number, since it is smaller than the sum of its proper divisors (87806952).

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

47280408 is a wasteful number, since it uses less digits than its factorization.

47280408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281447 (or 281443 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 33.

The square root of 47280408 is about 6876.0750432205. The cubic root of 47280408 is about 361.5988760179.

The spelling of 47280408 in words is "forty-seven million, two hundred eighty thousand, four hundred eight".