612336384 has 216 divisors, whose sum is σ = 1981102032. Its totient is φ = 180264960.

The previous prime is 612336377. The next prime is 612336419. The reversal of 612336384 is 483633216.

612336384 is a `hidden beast` number, since 6 + 12 + 3 + 3 + 638 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 23 ways as a sum of consecutive naturals, for example, 937402 + ... + 938054.

Almost surely, 2^612336384 is an apocalyptic number.

612336384 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 612336384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (990551016).

612336384 is an abundant number, since it is smaller than the sum of its proper divisors (1368765648).

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

612336384 is a wasteful number, since it uses less digits than its factorization.

612336384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723 (or 706 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 612336384 is about 24745.4315783742. The cubic root of 612336384 is about 849.1739998889.

The spelling of 612336384 in words is "six hundred twelve million, three hundred thirty-six thousand, three hundred eighty-four".