985628041 has 2 divisors, whose sum is σ = 985628042. Its totient is φ = 985628040.

The previous prime is 985628029. The next prime is 985628081. The reversal of 985628041 is 140826589.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 984139641 + 1488400 = 31371^2 + 1220^2 .

It is a cyclic number.

It is not a de Polignac number, because 985628041 - 2⁵ = 985628009 is a prime.

It is not a weakly prime, because it can be changed into another prime (985628081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492814020 + 492814021.

It is an arithmetic number, because the mean of its divisors is an integer number (492814021).

Almost surely, 2^985628041 is an apocalyptic number.

It is an amenable number.

985628041 is a deficient number, since it is larger than the sum of its proper divisors (1).

985628041 is an equidigital number, since it uses as much as digits as its factorization.

985628041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 138240, while the sum is 43.

The square root of 985628041 is about 31394.7135836593. The cubic root of 985628041 is about 995.1862116241.

The spelling of 985628041 in words is "nine hundred eighty-five million, six hundred twenty-eight thousand, forty-one".