818934246 has 128 divisors (see below), whose sum is σ = 2064585600. Its totient is φ = 238878720.

The previous prime is 818934241. The next prime is 818934289. The reversal of 818934246 is 642439818.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (818934241) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1064550 + ... + 1065318.

It is an arithmetic number, because the mean of its divisors is an integer number (16129575).

Almost surely, 2^818934246 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 818934246, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1032292800).

818934246 is an abundant number, since it is smaller than the sum of its proper divisors (1245651354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

818934246 is a wasteful number, since it uses less digits than its factorization.

818934246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871 (or 865 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 818934246 is about 28617.0272040965. The cubic root of 818934246 is about 935.5844843721.

The spelling of 818934246 in words is "eight hundred eighteen million, nine hundred thirty-four thousand, two hundred forty-six".