894234919 has 2 divisors, whose sum is σ = 894234920. Its totient is φ = 894234918.

The previous prime is 894234899. The next prime is 894234937. The reversal of 894234919 is 919432498.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 894234919 - 2¹³ = 894226727 is a prime.

It is a super-2 number, since 2×894234919² = 1599312180717873122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (894234619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 447117459 + 447117460.

It is an arithmetic number, because the mean of its divisors is an integer number (447117460).

Almost surely, 2^894234919 is an apocalyptic number.

894234919 is a deficient number, since it is larger than the sum of its proper divisors (1).

894234919 is an equidigital number, since it uses as much as digits as its factorization.

894234919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 559872, while the sum is 49.

The square root of 894234919 is about 29903.7609507567. The cubic root of 894234919 is about 963.4234394736.

The spelling of 894234919 in words is "eight hundred ninety-four million, two hundred thirty-four thousand, nine hundred nineteen".