818432041 has 8 divisors (see below), whose sum is σ = 946620864. Its totient is φ = 693060720.

The previous prime is 818431967. The next prime is 818432047. The reversal of 818432041 is 140234818.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 818432041 - 2¹⁵ = 818399273 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 818431994 and 818432012.

It is not an unprimeable number, because it can be changed into a prime (818432047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 703750 + ... + 704911.

It is an arithmetic number, because the mean of its divisors is an integer number (118327608).

Almost surely, 2^818432041 is an apocalyptic number.

It is an amenable number.

818432041 is a deficient number, since it is larger than the sum of its proper divisors (128188823).

818432041 is a wasteful number, since it uses less digits than its factorization.

818432041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1408751.

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 818432041 is about 28608.2512747634. The cubic root of 818432041 is about 935.3931986509.

Adding to 818432041 its reverse (140234818), we get a palindrome (958666859).

The spelling of 818432041 in words is "eight hundred eighteen million, four hundred thirty-two thousand, forty-one".