894169231 has 2 divisors, whose sum is σ = 894169232. Its totient is φ = 894169230.

The previous prime is 894169187. The next prime is 894169273. The reversal of 894169231 is 132961498.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-894169231 is a prime.

It is a super-2 number, since 2×894169231² = 1599077227334262722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (894169291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 447084615 + 447084616.

It is an arithmetic number, because the mean of its divisors is an integer number (447084616).

Almost surely, 2^894169231 is an apocalyptic number.

894169231 is a deficient number, since it is larger than the sum of its proper divisors (1).

894169231 is an equidigital number, since it uses as much as digits as its factorization.

894169231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 43.

The square root of 894169231 is about 29902.6626071994. The cubic root of 894169231 is about 963.3998487641.

The spelling of 894169231 in words is "eight hundred ninety-four million, one hundred sixty-nine thousand, two hundred thirty-one".