48396809 has 2 divisors, whose sum is σ = 48396810. Its totient is φ = 48396808.

The previous prime is 48396787. The next prime is 48396823. The reversal of 48396809 is 90869384.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40998409 + 7398400 = 6403^2 + 2720^2 .

It is a cyclic number.

It is not a de Polignac number, because 48396809 - 2²⁰ = 47348233 is a prime.

It is a super-2 number, since 2×48396809² = 4684502242764962, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (48396869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24198404 + 24198405.

It is an arithmetic number, because the mean of its divisors is an integer number (24198405).

Almost surely, 2^48396809 is an apocalyptic number.

It is an amenable number.

48396809 is a deficient number, since it is larger than the sum of its proper divisors (1).

48396809 is an equidigital number, since it uses as much as digits as its factorization.

48396809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 48396809 is about 6956.7815115900. The cubic root of 48396809 is about 364.4228295982.

The spelling of 48396809 in words is "forty-eight million, three hundred ninety-six thousand, eight hundred nine".