612384 has 24 divisors (see below), whose sum is σ = 1607760. Its totient is φ = 204096.

The previous prime is 612383. The next prime is 612401. The reversal of 612384 is 483216.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (24).

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

It is an Ulam number.

It is one of the 548 Lynch-Bell numbers.

It is not an unprimeable number, because it can be changed into a prime (612383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3094 + ... + 3285.

It is an arithmetic number, because the mean of its divisors is an integer number (66990).

2⁶¹²³⁸⁴ is an apocalyptic number.

It is an amenable number.

612384 is an abundant number, since it is smaller than the sum of its proper divisors (995376).

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

612384 is a wasteful number, since it uses less digits than its factorization.

612384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6392 (or 6384 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

The square root of 612384 is about 782.5496789342. The cubic root of 612384 is about 84.9196010243.

The spelling of 612384 in words is "six hundred twelve thousand, three hundred eighty-four".