47284388 has 24 divisors (see below), whose sum is σ = 87326400. Its totient is φ = 22340448.

The previous prime is 47284381. The next prime is 47284399. The reversal of 47284388 is 88348274.

It is not an unprimeable number, because it can be changed into a prime (47284381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50993 + ... + 51911.

It is an arithmetic number, because the mean of its divisors is an integer number (3638600).

Almost surely, 2^47284388 is an apocalyptic number.

It is an amenable number.

47284388 is a deficient number, since it is larger than the sum of its proper divisors (40042012).

47284388 is a wasteful number, since it uses less digits than its factorization.

47284388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1619 (or 1617 counting only the distinct ones).

The product of its digits is 344064, while the sum is 44.

The square root of 47284388 is about 6876.3644464208. The cubic root of 47284388 is about 361.6090220326.

The spelling of 47284388 in words is "forty-seven million, two hundred eighty-four thousand, three hundred eighty-eight".