818051384 has 16 divisors (see below), whose sum is σ = 1614575400. Its totient is φ = 387497952.

The previous prime is 818051383. The next prime is 818051411. The reversal of 818051384 is 483150818.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (818051383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2690807 + ... + 2691110.

Almost surely, 2^818051384 is an apocalyptic number.

It is an amenable number.

818051384 is a deficient number, since it is larger than the sum of its proper divisors (796524016).

818051384 is a wasteful number, since it uses less digits than its factorization.

818051384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5381942 (or 5381938 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 38.

The square root of 818051384 is about 28601.5975777578. The cubic root of 818051384 is about 935.2481574144.

The spelling of 818051384 in words is "eight hundred eighteen million, fifty-one thousand, three hundred eighty-four".