47898245 has 4 divisors (see below), whose sum is σ = 57477900. Its totient is φ = 38318592.

The previous prime is 47898241. The next prime is 47898269. The reversal of 47898245 is 54289874.

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 22486564 + 25411681 = 4742^2 + 5041^2 .

It is a cyclic number.

It is not a de Polignac number, because 47898245 - 2² = 47898241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47898245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47898241) 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, 4789820 + ... + 4789829.

It is an arithmetic number, because the mean of its divisors is an integer number (14369475).

Almost surely, 2^47898245 is an apocalyptic number.

It is an amenable number.

47898245 is a deficient number, since it is larger than the sum of its proper divisors (9579655).

47898245 is an equidigital number, since it uses as much as digits as its factorization.

47898245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9579654.

The product of its digits is 645120, while the sum is 47.

The square root of 47898245 is about 6920.8557996826. The cubic root of 47898245 is about 363.1671297928.

The spelling of 47898245 in words is "forty-seven million, eight hundred ninety-eight thousand, two hundred forty-five".