617489124 has 96 divisors (see below), whose sum is σ = 1720836096. Its totient is φ = 168618240.

The previous prime is 617489077. The next prime is 617489137. The reversal of 617489124 is 421984716.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 214704 + ... + 217560.

It is an arithmetic number, because the mean of its divisors is an integer number (17925376).

Almost surely, 2^617489124 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 617489124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (860418048).

617489124 is an abundant number, since it is smaller than the sum of its proper divisors (1103346972).

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

617489124 is a wasteful number, since it uses less digits than its factorization.

617489124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2985 (or 2983 counting only the distinct ones).

The product of its digits is 96768, while the sum is 42.

The square root of 617489124 is about 24849.3284416300. The cubic root of 617489124 is about 851.5492502109.

The spelling of 617489124 in words is "six hundred seventeen million, four hundred eighty-nine thousand, one hundred twenty-four".