818414850 has 192 divisors, whose sum is σ = 2371991040. Its totient is φ = 184550400.

The previous prime is 818414843. The next prime is 818414869. The reversal of 818414850 is 58414818.

It is a junction number, because it is equal to n+sod(n) for n = 818414799 and 818414808.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4572061 + ... + 4572239.

It is an arithmetic number, because the mean of its divisors is an integer number (12354120).

Almost surely, 2^818414850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 818414850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1185995520).

818414850 is an abundant number, since it is smaller than the sum of its proper divisors (1553576190).

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

818414850 is a wasteful number, since it uses less digits than its factorization.

818414850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385 (or 380 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 39.

The square root of 818414850 is about 28607.9508179107. The cubic root of 818414850 is about 935.3866493565.

The spelling of 818414850 in words is "eight hundred eighteen million, four hundred fourteen thousand, eight hundred fifty".