48309289 has 8 divisors (see below), whose sum is σ = 55831680. Its totient is φ = 40942176.

The previous prime is 48309241. The next prime is 48309293. The reversal of 48309289 is 98290384.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 48309289 - 2¹⁷ = 48178217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48309889) 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, 38149 + ... + 39394.

It is an arithmetic number, because the mean of its divisors is an integer number (6978960).

Almost surely, 2^48309289 is an apocalyptic number.

It is an amenable number.

48309289 is a deficient number, since it is larger than the sum of its proper divisors (7522391).

48309289 is an equidigital number, since it uses as much as digits as its factorization.

48309289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77639.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 48309289 is about 6950.4884001054. The cubic root of 48309289 is about 364.2030249475.

The spelling of 48309289 in words is "forty-eight million, three hundred nine thousand, two hundred eighty-nine".