47398538 has 32 divisors (see below), whose sum is σ = 81464832. Its totient is φ = 20473200.

The previous prime is 47398531. The next prime is 47398543. The reversal of 47398538 is 83589374.

It is a junction number, because it is equal to n+sod(n) for n = 47398492 and 47398501.

It is not an unprimeable number, because it can be changed into a prime (47398531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143033 + ... + 143363.

It is an arithmetic number, because the mean of its divisors is an integer number (2545776).

Almost surely, 2^47398538 is an apocalyptic number.

47398538 is a deficient number, since it is larger than the sum of its proper divisors (34066294).

47398538 is a wasteful number, since it uses less digits than its factorization.

47398538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650.

The product of its digits is 725760, while the sum is 47.

The square root of 47398538 is about 6884.6596139533. The cubic root of 47398538 is about 361.8997769006.

The spelling of 47398538 in words is "forty-seven million, three hundred ninety-eight thousand, five hundred thirty-eight".