48004309 has 4 divisors (see below), whose sum is σ = 49659660. Its totient is φ = 46348960.

The previous prime is 48004267. The next prime is 48004339. The reversal of 48004309 is 90340084.

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 39652209 + 8352100 = 6297^2 + 2890^2 .

It is not a de Polignac number, because 48004309 - 2¹¹ = 48002261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48004339) 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, 827632 + ... + 827689.

It is an arithmetic number, because the mean of its divisors is an integer number (12414915).

Almost surely, 2^48004309 is an apocalyptic number.

It is an amenable number.

48004309 is a deficient number, since it is larger than the sum of its proper divisors (1655351).

48004309 is a wasteful number, since it uses less digits than its factorization.

48004309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1655350.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 48004309 is about 6928.5141985854. The cubic root of 48004309 is about 363.4349932030.

The spelling of 48004309 in words is "forty-eight million, four thousand, three hundred nine".