48309189 has 8 divisors (see below), whose sum is σ = 68201280. Its totient is φ = 30311616.

The previous prime is 48309187. The next prime is 48309199. The reversal of 48309189 is 98190384.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 48309189 - 2¹ = 48309187 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 48309189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48309187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 473569 + ... + 473670.

It is an arithmetic number, because the mean of its divisors is an integer number (8525160).

Almost surely, 2^48309189 is an apocalyptic number.

It is an amenable number.

48309189 is a deficient number, since it is larger than the sum of its proper divisors (19892091).

48309189 is a wasteful number, since it uses less digits than its factorization.

48309189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947259.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 48309189 is about 6950.4812063626. The cubic root of 48309189 is about 364.2027736478.

The spelling of 48309189 in words is "forty-eight million, three hundred nine thousand, one hundred eighty-nine".