948892421 has 2 divisors, whose sum is σ = 948892422. Its totient is φ = 948892420.

The previous prime is 948892409. The next prime is 948892453. The reversal of 948892421 is 124298849.

It is a happy number.

948892421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 696432100 + 252460321 = 26390^2 + 15889^2 .

It is a cyclic number.

It is not a de Polignac number, because 948892421 - 2¹⁴ = 948876037 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (948892921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 474446210 + 474446211.

It is an arithmetic number, because the mean of its divisors is an integer number (474446211).

Almost surely, 2^948892421 is an apocalyptic number.

It is an amenable number.

948892421 is a deficient number, since it is larger than the sum of its proper divisors (1).

948892421 is an equidigital number, since it uses as much as digits as its factorization.

948892421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 331776, while the sum is 47.

The square root of 948892421 is about 30804.0974709534. The cubic root of 948892421 is about 982.6653878401.

The spelling of 948892421 in words is "nine hundred forty-eight million, eight hundred ninety-two thousand, four hundred twenty-one".