994885943 has 2 divisors, whose sum is σ = 994885944. Its totient is φ = 994885942.

The previous prime is 994885937. The next prime is 994885979. The reversal of 994885943 is 349588499.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-994885943 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is a weakly prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497442971 + 497442972.

It is an arithmetic number, because the mean of its divisors is an integer number (497442972).

Almost surely, 2^994885943 is an apocalyptic number.

994885943 is a deficient number, since it is larger than the sum of its proper divisors (1).

994885943 is an equidigital number, since it uses as much as digits as its factorization.

994885943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11197440, while the sum is 59.

The square root of 994885943 is about 31541.8126143695. The cubic root of 994885943 is about 998.2924000956.

The spelling of 994885943 in words is "nine hundred ninety-four million, eight hundred eighty-five thousand, nine hundred forty-three".