986442143 has 2 divisors, whose sum is σ = 986442144. Its totient is φ = 986442142.

The previous prime is 986442097. The next prime is 986442167. The reversal of 986442143 is 341244689.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 986442143 - 2²⁰ = 985393567 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 986442143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (986442343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493221071 + 493221072.

It is an arithmetic number, because the mean of its divisors is an integer number (493221072).

Almost surely, 2^986442143 is an apocalyptic number.

986442143 is a deficient number, since it is larger than the sum of its proper divisors (1).

986442143 is an equidigital number, since it uses as much as digits as its factorization.

986442143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 41.

The square root of 986442143 is about 31407.6764979519. The cubic root of 986442143 is about 995.4601351499.

It can be divided in two parts, 986442 and 143, that multiplied together give a triangular number (141061206 = T₁₆₇₉₆).

The spelling of 986442143 in words is "nine hundred eighty-six million, four hundred forty-two thousand, one hundred forty-three".