612328 has 8 divisors (see below), whose sum is σ = 1148130. Its totient is φ = 306160.

The previous prime is 612319. The next prime is 612331. The reversal of 612328 is 823216.

It can be written as a sum of positive squares in only one way, i.e., 580644 + 31684 = 762^2 + 178^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 612299 and 612308.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38263 + ... + 38278.

2⁶¹²³²⁸ is an apocalyptic number.

It is an amenable number.

612328 is a deficient number, since it is larger than the sum of its proper divisors (535802).

612328 is a wasteful number, since it uses less digits than its factorization.

612328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76547 (or 76543 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

The square root of 612328 is about 782.5138976402. The cubic root of 612328 is about 84.9170124292.

The spelling of 612328 in words is "six hundred twelve thousand, three hundred twenty-eight".