47098845 has 12 divisors (see below), whose sum is σ = 81638076. Its totient is φ = 25119360.

The previous prime is 47098837. The next prime is 47098847. The reversal of 47098845 is 54889074.

It can be written as a sum of positive squares in 2 ways, for example, as 34609689 + 12489156 = 5883^2 + 3534^2 .

It is not a de Polignac number, because 47098845 - 2³ = 47098837 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1046641 = 47098845 / (4 + 7 + 0 + 9 + 8 + 8 + 4 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 47098845.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47098847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 523276 + ... + 523365.

It is an arithmetic number, because the mean of its divisors is an integer number (6803173).

Almost surely, 2^47098845 is an apocalyptic number.

47098845 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

47098845 is a deficient number, since it is larger than the sum of its proper divisors (34539231).

47098845 is a wasteful number, since it uses less digits than its factorization.

47098845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046652 (or 1046649 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 47098845 is about 6862.8598266320. The cubic root of 47098845 is about 361.1354198144.

The spelling of 47098845 in words is "forty-seven million, ninety-eight thousand, eight hundred forty-five".