918836049 has 8 divisors (see below), whose sum is σ = 1227632320. Its totient is φ = 611298576.

The previous prime is 918836047. The next prime is 918836099. The reversal of 918836049 is 940638819.

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

It is not a de Polignac number, because 918836049 - 2¹ = 918836047 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 918835989 and 918836007.

It is not an unprimeable number, because it can be changed into a prime (918836047) 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, 312994 + ... + 315915.

It is an arithmetic number, because the mean of its divisors is an integer number (153454040).

Almost surely, 2^918836049 is an apocalyptic number.

It is an amenable number.

918836049 is a deficient number, since it is larger than the sum of its proper divisors (308796271).

918836049 is a wasteful number, since it uses less digits than its factorization.

918836049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629399.

The product of its (nonzero) digits is 373248, while the sum is 48.

The square root of 918836049 is about 30312.3085396015. The cubic root of 918836049 is about 972.1784916244.

The spelling of 918836049 in words is "nine hundred eighteen million, eight hundred thirty-six thousand, forty-nine".