612368328 has 128 divisors (see below), whose sum is σ = 1893427200. Its totient is φ = 162259200.

The previous prime is 612368293. The next prime is 612368363. The reversal of 612368328 is 823863216.

It is an interprime number because it is at equal distance from previous prime (612368293) and next prime (612368363).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60513 + ... + 69903.

It is an arithmetic number, because the mean of its divisors is an integer number (14792400).

Almost surely, 2^612368328 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 612368328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (946713600).

612368328 is an abundant number, since it is smaller than the sum of its proper divisors (1281058872).

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

612368328 is a wasteful number, since it uses less digits than its factorization.

612368328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9443 (or 9439 counting only the distinct ones).

The product of its digits is 82944, while the sum is 39.

The square root of 612368328 is about 24746.0770224292. The cubic root of 612368328 is about 849.1887660334.

The spelling of 612368328 in words is "six hundred twelve million, three hundred sixty-eight thousand, three hundred twenty-eight".