895234391 has 2 divisors, whose sum is σ = 895234392. Its totient is φ = 895234390.

The previous prime is 895234363. The next prime is 895234393. The reversal of 895234391 is 193432598.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 895234391 - 2¹⁴ = 895218007 is a prime.

It is a super-2 number, since 2×895234391² = 1602889229658281762, which contains 22 as substring.

Together with 895234393, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (895234393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 447617195 + 447617196.

It is an arithmetic number, because the mean of its divisors is an integer number (447617196).

Almost surely, 2^895234391 is an apocalyptic number.

895234391 is a deficient number, since it is larger than the sum of its proper divisors (1).

895234391 is an equidigital number, since it uses as much as digits as its factorization.

895234391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 233280, while the sum is 44.

The square root of 895234391 is about 29920.4677603810. The cubic root of 895234391 is about 963.7822401307.

The spelling of 895234391 in words is "eight hundred ninety-five million, two hundred thirty-four thousand, three hundred ninety-one".