894431 has 2 divisors, whose sum is σ = 894432. Its totient is φ = 894430.

The previous prime is 894427. The next prime is 894449. The reversal of 894431 is 134498.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 894431 - 2² = 894427 is a prime.

It is a super-2 number, since 2×894431² = 1600013627522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 894394 and 894403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (894451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 447215 + 447216.

It is an arithmetic number, because the mean of its divisors is an integer number (447216).

2⁸⁹⁴⁴³¹ is an apocalyptic number.

894431 is a deficient number, since it is larger than the sum of its proper divisors (1).

894431 is an equidigital number, since it uses as much as digits as its factorization.

894431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 29.

The square root of 894431 is about 945.7436227646. The cubic root of 894431 is about 96.3493851704.

The spelling of 894431 in words is "eight hundred ninety-four thousand, four hundred thirty-one".