618806230 has 64 divisors (see below), whose sum is σ = 1311178752. Its totient is φ = 205873920.

The previous prime is 618806213. The next prime is 618806233. The reversal of 618806230 is 32608816.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (618806233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 417090 + ... + 418570.

It is an arithmetic number, because the mean of its divisors is an integer number (20487168).

Almost surely, 2^618806230 is an apocalyptic number.

618806230 is an abundant number, since it is smaller than the sum of its proper divisors (692372522).

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

618806230 is a wasteful number, since it uses less digits than its factorization.

618806230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 618806230 is about 24875.8161675150. The cubic root of 618806230 is about 852.1542725409.

The spelling of 618806230 in words is "six hundred eighteen million, eight hundred six thousand, two hundred thirty".