818912030 has 16 divisors (see below), whose sum is σ = 1491802704. Its totient is φ = 323617920.

The previous prime is 818912023. The next prime is 818912057. The reversal of 818912030 is 30219818.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 492491 + ... + 494150.

It is an arithmetic number, because the mean of its divisors is an integer number (93237669).

Almost surely, 2^818912030 is an apocalyptic number.

818912030 is a deficient number, since it is larger than the sum of its proper divisors (672890674).

818912030 is a wasteful number, since it uses less digits than its factorization.

818912030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986731.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 818912030 is about 28616.6390409496. The cubic root of 818912030 is about 935.5760241354.

The spelling of 818912030 in words is "eight hundred eighteen million, nine hundred twelve thousand, thirty".