818235849 has 8 divisors (see below), whose sum is σ = 1091235712. Its totient is φ = 545363280.

The previous prime is 818235839. The next prime is 818235881. The reversal of 818235849 is 948532818.

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

It is not a de Polignac number, because 818235849 - 2¹² = 818231753 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 818235798 and 818235807.

It is not an unprimeable number, because it can be changed into a prime (818235809) 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 7 ways as a sum of consecutive naturals, for example, 15649 + ... + 43374.

It is an arithmetic number, because the mean of its divisors is an integer number (136404464).

Almost surely, 2^818235849 is an apocalyptic number.

It is an amenable number.

818235849 is a deficient number, since it is larger than the sum of its proper divisors (272999863).

818235849 is a wasteful number, since it uses less digits than its factorization.

818235849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63647.

The product of its digits is 552960, while the sum is 48.

The square root of 818235849 is about 28604.8221284454. The cubic root of 818235849 is about 935.3184494886.

The spelling of 818235849 in words is "eight hundred eighteen million, two hundred thirty-five thousand, eight hundred forty-nine".