48347209 has 4 divisors (see below), whose sum is σ = 48361860. Its totient is φ = 48332560.

The previous prime is 48347207. The next prime is 48347261. The reversal of 48347209 is 90274384.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 46308025 + 2039184 = 6805^2 + 1428^2 .

It is a cyclic number.

It is not a de Polignac number, because 48347209 - 2¹ = 48347207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48347207) 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, 207 + ... + 9835.

It is an arithmetic number, because the mean of its divisors is an integer number (12090465).

Almost surely, 2^48347209 is an apocalyptic number.

It is an amenable number.

48347209 is a deficient number, since it is larger than the sum of its proper divisors (14651).

48347209 is an equidigital number, since it uses as much as digits as its factorization.

48347209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14650.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 48347209 is about 6953.2157308687. The cubic root of 48347209 is about 364.2982928009.

The spelling of 48347209 in words is "forty-eight million, three hundred forty-seven thousand, two hundred nine".