618879330 has 48 divisors (see below), whose sum is σ = 1613232504. Its totient is φ = 164609280.

The previous prime is 618879323. The next prime is 618879347. The reversal of 618879330 is 33978816.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 480793329 + 138086001 = 21927^2 + 11751^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27070 + ... + 44390.

Almost surely, 2^618879330 is an apocalyptic number.

618879330 is an abundant number, since it is smaller than the sum of its proper divisors (994353174).

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

618879330 is a wasteful number, since it uses less digits than its factorization.

618879330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17731 (or 17728 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 618879330 is about 24877.2854226501. The cubic root of 618879330 is about 852.1878264072.

It can be divided in two parts, 61887 and 9330, that added together give a palindrome (71217).

The spelling of 618879330 in words is "six hundred eighteen million, eight hundred seventy-nine thousand, three hundred thirty".