47331898 has 4 divisors (see below), whose sum is σ = 70997850. Its totient is φ = 23665948.

The previous prime is 47331883. The next prime is 47331923. The reversal of 47331898 is 89813374.

It is a happy number.

47331898 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 37491129 + 9840769 = 6123^2 + 3137^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 11832973 + ... + 11832976.

Almost surely, 2^47331898 is an apocalyptic number.

47331898 is a deficient number, since it is larger than the sum of its proper divisors (23665952).

47331898 is a wasteful number, since it uses less digits than its factorization.

47331898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23665951.

The product of its digits is 145152, while the sum is 43.

The square root of 47331898 is about 6879.8181662018. The cubic root of 47331898 is about 361.7300929580.

The spelling of 47331898 in words is "forty-seven million, three hundred thirty-one thousand, eight hundred ninety-eight".