47098165 has 4 divisors (see below), whose sum is σ = 56517804. Its totient is φ = 37678528.

The previous prime is 47098159. The next prime is 47098171. The reversal of 47098165 is 56189074.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56189074 = 2 ⋅28094537.

It is an interprime number because it is at equal distance from previous prime (47098159) and next prime (47098171).

It can be written as a sum of positive squares in 2 ways, for example, as 32787076 + 14311089 = 5726^2 + 3783^2 .

It is a cyclic number.

It is not a de Polignac number, because 47098165 - 2³ = 47098157 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4709812 + ... + 4709821.

It is an arithmetic number, because the mean of its divisors is an integer number (14129451).

Almost surely, 2^47098165 is an apocalyptic number.

It is an amenable number.

47098165 is a deficient number, since it is larger than the sum of its proper divisors (9419639).

47098165 is an equidigital number, since it uses as much as digits as its factorization.

47098165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9419638.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 47098165 is about 6862.8102844243. The cubic root of 47098165 is about 361.1336818152.

Subtracting 47098165 from its reverse (56189074), we obtain a palindrome (9090909).

The spelling of 47098165 in words is "forty-seven million, ninety-eight thousand, one hundred sixty-five".