47311398 has 16 divisors (see below), whose sum is σ = 105136560. Its totient is φ = 15770448.

The previous prime is 47311393. The next prime is 47311399. The reversal of 47311398 is 89311374.

It is a happy number.

47311398 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47311393) 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 7 ways as a sum of consecutive naturals, for example, 438015 + ... + 438122.

It is an arithmetic number, because the mean of its divisors is an integer number (6571035).

Almost surely, 2^47311398 is an apocalyptic number.

47311398 is an abundant number, since it is smaller than the sum of its proper divisors (57825162).

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

47311398 is a wasteful number, since it uses less digits than its factorization.

47311398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876148 (or 876142 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 47311398 is about 6878.3281398898. The cubic root of 47311398 is about 361.6778622352.

The spelling of 47311398 in words is "forty-seven million, three hundred eleven thousand, three hundred ninety-eight".