618345234 has 48 divisors (see below), whose sum is σ = 1518753600. Its totient is φ = 180245088.

The previous prime is 618345229. The next prime is 618345239. The reversal of 618345234 is 432543816.

618345234 is a `hidden beast` number, since 618 + 3 + 4 + 5 + 2 + 34 = 666.

It is an interprime number because it is at equal distance from previous prime (618345229) and next prime (618345239).

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (618345239) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65094 + ... + 73985.

It is an arithmetic number, because the mean of its divisors is an integer number (31640700).

Almost surely, 2^618345234 is an apocalyptic number.

618345234 is an abundant number, since it is smaller than the sum of its proper divisors (900408366).

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

618345234 is a wasteful number, since it uses less digits than its factorization.

618345234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139119 (or 139116 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 618345234 is about 24866.5484939104. The cubic root of 618345234 is about 851.9426083804.

The spelling of 618345234 in words is "six hundred eighteen million, three hundred forty-five thousand, two hundred thirty-four".