47098217 has 4 divisors (see below), whose sum is σ = 48246996. Its totient is φ = 45949440.

The previous prime is 47098199. The next prime is 47098223. The reversal of 47098217 is 71289074.

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 23078416 + 24019801 = 4804^2 + 4901^2 .

It is a cyclic number.

It is not a de Polignac number, because 47098217 - 2¹² = 47094121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47098417) 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, 574328 + ... + 574409.

It is an arithmetic number, because the mean of its divisors is an integer number (12061749).

Almost surely, 2^47098217 is an apocalyptic number.

It is an amenable number.

47098217 is a deficient number, since it is larger than the sum of its proper divisors (1148779).

47098217 is a wasteful number, since it uses less digits than its factorization.

47098217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148778.

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 47098217 is about 6862.8140729587. The cubic root of 47098217 is about 361.1338147216.

The spelling of 47098217 in words is "forty-seven million, ninety-eight thousand, two hundred seventeen".