612342 has 12 divisors (see below), whose sum is σ = 1326780. Its totient is φ = 204108.

The previous prime is 612341. The next prime is 612349. The reversal of 612342 is 243216.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 34019 = 612342 / (6 + 1 + 2 + 3 + 4 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612341) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 16992 + ... + 17027.

It is an arithmetic number, because the mean of its divisors is an integer number (110565).

2⁶¹²³⁴² is an apocalyptic number.

612342 is an abundant number, since it is smaller than the sum of its proper divisors (714438).

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

612342 is a wasteful number, since it uses less digits than its factorization.

612342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34027 (or 34024 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 612342 is about 782.5228431171. The cubic root of 612342 is about 84.9176595928.

Adding to 612342 its reverse (243216), we get a palindrome (855558).

The spelling of 612342 in words is "six hundred twelve thousand, three hundred forty-two".