47998497 has 16 divisors (see below), whose sum is σ = 67960512. Its totient is φ = 30028800.

The previous prime is 47998487. The next prime is 47998499. The reversal of 47998497 is 79489974.

It is not a de Polignac number, because 47998497 - 2⁴ = 47998481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47998499) 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, 19278 + ... + 21624.

It is an arithmetic number, because the mean of its divisors is an integer number (4247532).

Almost surely, 2^47998497 is an apocalyptic number.

It is an amenable number.

47998497 is a deficient number, since it is larger than the sum of its proper divisors (19962015).

47998497 is a wasteful number, since it uses less digits than its factorization.

47998497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2768.

The product of its digits is 4572288, while the sum is 57.

The square root of 47998497 is about 6928.0947597446. The cubic root of 47998497 is about 363.4203252876.

The spelling of 47998497 in words is "forty-seven million, nine hundred ninety-eight thousand, four hundred ninety-seven".