994740543 has 12 divisors (see below), whose sum is σ = 1470263080. Its totient is φ = 647737776.

The previous prime is 994740463. The next prime is 994740577. The reversal of 994740543 is 345047499.

It is a happy number.

It is not a de Polignac number, because 994740543 - 2¹⁶ = 994675007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (994740583) 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 in 11 ways as a sum of consecutive naturals, for example, 1284808 + ... + 1285581.

Almost surely, 2^994740543 is an apocalyptic number.

994740543 is a deficient number, since it is larger than the sum of its proper divisors (475522537).

994740543 is a wasteful number, since it uses less digits than its factorization.

994740543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2570438 (or 2570435 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The square root of 994740543 is about 31539.5076531007. The cubic root of 994740543 is about 998.2437651113.

The spelling of 994740543 in words is "nine hundred ninety-four million, seven hundred forty thousand, five hundred forty-three".