65438818 has 8 divisors (see below), whose sum is σ = 102426048. Its totient is φ = 31296804.

The previous prime is 65438803. The next prime is 65438827. The reversal of 65438818 is 81883456.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 711246 + ... + 711337.

It is an arithmetic number, because the mean of its divisors is an integer number (12803256).

Almost surely, 2^65438818 is an apocalyptic number.

65438818 is a deficient number, since it is larger than the sum of its proper divisors (36987230).

65438818 is a wasteful number, since it uses less digits than its factorization.

65438818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1422608.

The product of its digits is 184320, while the sum is 43.

The square root of 65438818 is about 8089.4263084597. The cubic root of 65438818 is about 402.9753508435.

The spelling of 65438818 in words is "sixty-five million, four hundred thirty-eight thousand, eight hundred eighteen".