818088994 has 8 divisors (see below), whose sum is σ = 1299317868. Its totient is φ = 384983040.

The previous prime is 818088917. The next prime is 818089009. The reversal of 818088994 is 499880818.

It can be written as a sum of positive squares in 2 ways, for example, as 806276025 + 11812969 = 28395^2 + 3437^2 .

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, 12030687 + ... + 12030754.

Almost surely, 2^818088994 is an apocalyptic number.

818088994 is a deficient number, since it is larger than the sum of its proper divisors (481228874).

818088994 is a wasteful number, since it uses less digits than its factorization.

818088994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24061460.

The product of its (nonzero) digits is 1327104, while the sum is 55.

The square root of 818088994 is about 28602.2550509571. The cubic root of 818088994 is about 935.2624899062.

The spelling of 818088994 in words is "eight hundred eighteen million, eighty-eight thousand, nine hundred ninety-four".