894391 has 2 divisors, whose sum is σ = 894392. Its totient is φ = 894390.

The previous prime is 894371. The next prime is 894403. The reversal of 894391 is 193498.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 894391 - 2¹³ = 886199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (894301) 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, 447195 + 447196.

It is an arithmetic number, because the mean of its divisors is an integer number (447196).

2⁸⁹⁴³⁹¹ is an apocalyptic number.

894391 is a deficient number, since it is larger than the sum of its proper divisors (1).

894391 is an equidigital number, since it uses as much as digits as its factorization.

894391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 34.

The square root of 894391 is about 945.7224751480. The cubic root of 894391 is about 96.3479488633.

The spelling of 894391 in words is "eight hundred ninety-four thousand, three hundred ninety-one".