895421 has 2 divisors, whose sum is σ = 895422. Its totient is φ = 895420.

The previous prime is 895393. The next prime is 895423. The reversal of 895421 is 124598.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 835396 + 60025 = 914^2 + 245^2 .

It is a cyclic number.

It is not a de Polignac number, because 895421 - 2⁶ = 895357 is a prime.

Together with 895423, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 895421.

It is not a weakly prime, because it can be changed into another prime (895423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 447710 + 447711.

It is an arithmetic number, because the mean of its divisors is an integer number (447711).

2⁸⁹⁵⁴²¹ is an apocalyptic number.

It is an amenable number.

895421 is a deficient number, since it is larger than the sum of its proper divisors (1).

895421 is an equidigital number, since it uses as much as digits as its factorization.

895421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 29.

The square root of 895421 is about 946.2668756751. The cubic root of 895421 is about 96.3849201345.

The spelling of 895421 in words is "eight hundred ninety-five thousand, four hundred twenty-one".