994234687 has 2 divisors, whose sum is σ = 994234688. Its totient is φ = 994234686.

The previous prime is 994234651. The next prime is 994234699. The reversal of 994234687 is 786432499.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 994234687 - 2¹¹ = 994232639 is a prime.

It is a super-2 number, since 2×994234687² = 1977005225667975938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (994234627) 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, 497117343 + 497117344.

It is an arithmetic number, because the mean of its divisors is an integer number (497117344).

Almost surely, 2^994234687 is an apocalyptic number.

994234687 is a deficient number, since it is larger than the sum of its proper divisors (1).

994234687 is an equidigital number, since it uses as much as digits as its factorization.

994234687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2612736, while the sum is 52.

The square root of 994234687 is about 31531.4872310204. The cubic root of 994234687 is about 998.0745239214.

The spelling of 994234687 in words is "nine hundred ninety-four million, two hundred thirty-four thousand, six hundred eighty-seven".