47433888 has 36 divisors (see below), whose sum is σ = 134890938. Its totient is φ = 15811200.

The previous prime is 47433871. The next prime is 47433959. The reversal of 47433888 is 88833474.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 26749584 + 20684304 = 5172^2 + 4548^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 82063 + ... + 82638.

Almost surely, 2^47433888 is an apocalyptic number.

47433888 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

47433888 is an abundant number, since it is smaller than the sum of its proper divisors (87457050).

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

47433888 is a wasteful number, since it uses less digits than its factorization.

47433888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164717 (or 164706 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The square root of 47433888 is about 6887.2264373984. The cubic root of 47433888 is about 361.9897232617.

The spelling of 47433888 in words is "forty-seven million, four hundred thirty-three thousand, eight hundred eighty-eight".