47098897 has 4 divisors (see below), whose sum is σ = 47140900. Its totient is φ = 47056896.

The previous prime is 47098859. The next prime is 47098907. The reversal of 47098897 is 79889074.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 34680321 + 12418576 = 5889^2 + 3524^2 .

It is a cyclic number.

It is not a de Polignac number, because 47098897 - 2⁷ = 47098769 is a prime.

It is a Duffinian number.

It is a plaindrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (47098837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19272 + ... + 21577.

It is an arithmetic number, because the mean of its divisors is an integer number (11785225).

Almost surely, 2^47098897 is an apocalyptic number.

It is an amenable number.

47098897 is a deficient number, since it is larger than the sum of its proper divisors (42003).

47098897 is a wasteful number, since it uses less digits than its factorization.

47098897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42002.

The product of its (nonzero) digits is 1016064, while the sum is 52.

The square root of 47098897 is about 6862.8636151391. The cubic root of 47098897 is about 361.1355527195.

The spelling of 47098897 in words is "forty-seven million, ninety-eight thousand, eight hundred ninety-seven".