940654843 has 2 divisors, whose sum is σ = 940654844. Its totient is φ = 940654842.

The previous prime is 940654783. The next prime is 940654873. The reversal of 940654843 is 348456049.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-940654843 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 940654843.

It is not a weakly prime, because it can be changed into another prime (940654873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 470327421 + 470327422.

It is an arithmetic number, because the mean of its divisors is an integer number (470327422).

Almost surely, 2^940654843 is an apocalyptic number.

940654843 is a deficient number, since it is larger than the sum of its proper divisors (1).

940654843 is an equidigital number, since it uses as much as digits as its factorization.

940654843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 414720, while the sum is 43.

The square root of 940654843 is about 30670.0968860550. The cubic root of 940654843 is about 979.8135293554.

The spelling of 940654843 in words is "nine hundred forty million, six hundred fifty-four thousand, eight hundred forty-three".