985383629 has 2 divisors, whose sum is σ = 985383630. Its totient is φ = 985383628.

The previous prime is 985383601. The next prime is 985383647. The reversal of 985383629 is 926383589.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 985332100 + 51529 = 31390^2 + 227^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-985383629 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (985383929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492691814 + 492691815.

It is an arithmetic number, because the mean of its divisors is an integer number (492691815).

Almost surely, 2^985383629 is an apocalyptic number.

It is an amenable number.

985383629 is a deficient number, since it is larger than the sum of its proper divisors (1).

985383629 is an equidigital number, since it uses as much as digits as its factorization.

985383629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2799360, while the sum is 53.

The square root of 985383629 is about 31390.8207761441. The cubic root of 985383629 is about 995.1039440916.

The spelling of 985383629 in words is "nine hundred eighty-five million, three hundred eighty-three thousand, six hundred twenty-nine".