618428604 has 24 divisors (see below), whose sum is σ = 1459216080. Its totient is φ = 203826304.

The previous prime is 618428597. The next prime is 618428621. The reversal of 618428604 is 406824816.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288459 + ... + 290594.

It is an arithmetic number, because the mean of its divisors is an integer number (60800670).

Almost surely, 2^618428604 is an apocalyptic number.

It is an amenable number.

618428604 is an abundant number, since it is smaller than the sum of its proper divisors (840787476).

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

618428604 is a wasteful number, since it uses less digits than its factorization.

618428604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579149 (or 579147 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 618428604 is about 24868.2247858588. The cubic root of 618428604 is about 851.9808951170.

The spelling of 618428604 in words is "six hundred eighteen million, four hundred twenty-eight thousand, six hundred four".