48946409 has 2 divisors, whose sum is σ = 48946410. Its totient is φ = 48946408.

The previous prime is 48946399. The next prime is 48946439. The reversal of 48946409 is 90464984.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48930025 + 16384 = 6995^2 + 128^2 .

It is a cyclic number.

It is not a de Polignac number, because 48946409 - 2⁴ = 48946393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 48946409.

It is not a weakly prime, because it can be changed into another prime (48946439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24473204 + 24473205.

It is an arithmetic number, because the mean of its divisors is an integer number (24473205).

Almost surely, 2^48946409 is an apocalyptic number.

It is an amenable number.

48946409 is a deficient number, since it is larger than the sum of its proper divisors (1).

48946409 is an equidigital number, since it uses as much as digits as its factorization.

48946409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 48946409 is about 6996.1710242103. The cubic root of 48946409 is about 365.7971169962.

The spelling of 48946409 in words is "forty-eight million, nine hundred forty-six thousand, four hundred nine".