863309241 has 12 divisors (see below), whose sum is σ = 1250940132. Its totient is φ = 573722016.

The previous prime is 863309233. The next prime is 863309261. The reversal of 863309241 is 142903368.

863309241 is a `hidden beast` number, since 86 + 330 + 9 + 241 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 281534841 + 581774400 = 16779^2 + 24120^2 .

It is not a de Polignac number, because 863309241 - 2³ = 863309233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 863309196 and 863309205.

It is not an unprimeable number, because it can be changed into a prime (863309221) 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, 148446 + ... + 154151.

It is an arithmetic number, because the mean of its divisors is an integer number (104245011).

Almost surely, 2^863309241 is an apocalyptic number.

It is an amenable number.

863309241 is a deficient number, since it is larger than the sum of its proper divisors (387630891).

863309241 is a wasteful number, since it uses less digits than its factorization.

863309241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302920 (or 302917 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 863309241 is about 29382.1245147454. The cubic root of 863309241 is about 952.1867413870.

The spelling of 863309241 in words is "eight hundred sixty-three million, three hundred nine thousand, two hundred forty-one".