993622041 has 12 divisors (see below), whose sum is σ = 1484722980. Its totient is φ = 639572640.

The previous prime is 993622037. The next prime is 993622051. The reversal of 993622041 is 140226399.

993622041 is a `hidden beast` number, since 99 + 362 + 204 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 360848016 + 632774025 = 18996^2 + 25155^2 .

It is not a de Polignac number, because 993622041 - 2² = 993622037 is a prime.

It is a super-2 number, since 2×993622041² = 1974569520722011362, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 993621987 and 993622005.

It is not an unprimeable number, because it can be changed into a prime (993622051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1903230 + ... + 1903751.

It is an arithmetic number, because the mean of its divisors is an integer number (123726915).

Almost surely, 2^993622041 is an apocalyptic number.

It is an amenable number.

993622041 is a deficient number, since it is larger than the sum of its proper divisors (491100939).

993622041 is a wasteful number, since it uses less digits than its factorization.

993622041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3807016 (or 3807013 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 993622041 is about 31521.7709052014. The cubic root of 993622041 is about 997.8694777652.

The spelling of 993622041 in words is "nine hundred ninety-three million, six hundred twenty-two thousand, forty-one".