618313628 has 12 divisors (see below), whose sum is σ = 1100389080. Its totient is φ = 303916752.

The previous prime is 618313609. The next prime is 618313643. The reversal of 618313628 is 826313816.

It is a junction number, because it is equal to n+sod(n) for n = 618313591 and 618313600.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1309751 + ... + 1310222.

It is an arithmetic number, because the mean of its divisors is an integer number (91699090).

Almost surely, 2^618313628 is an apocalyptic number.

It is an amenable number.

618313628 is a deficient number, since it is larger than the sum of its proper divisors (482075452).

618313628 is a wasteful number, since it uses less digits than its factorization.

618313628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2620036 (or 2620034 counting only the distinct ones).

The product of its digits is 41472, while the sum is 38.

The square root of 618313628 is about 24865.9129733859. The cubic root of 618313628 is about 851.9280927800.

The spelling of 618313628 in words is "six hundred eighteen million, three hundred thirteen thousand, six hundred twenty-eight".