618208342 has 4 divisors (see below), whose sum is σ = 927312516. Its totient is φ = 309104170.

The previous prime is 618208333. The next prime is 618208351. The reversal of 618208342 is 243802816.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (618208333) and next prime (618208351).

It is a junction number, because it is equal to n+sod(n) for n = 618208298 and 618208307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 154552084 + ... + 154552087.

It is an arithmetic number, because the mean of its divisors is an integer number (231828129).

Almost surely, 2^618208342 is an apocalyptic number.

618208342 is a deficient number, since it is larger than the sum of its proper divisors (309104174).

618208342 is a wasteful number, since it uses less digits than its factorization.

618208342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309104173.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 618208342 is about 24863.7958083636. The cubic root of 618208342 is about 851.8797348008.

The spelling of 618208342 in words is "six hundred eighteen million, two hundred eight thousand, three hundred forty-two".