612442 has 8 divisors (see below), whose sum is σ = 972756. Its totient is φ = 288192.

The previous prime is 612439. The next prime is 612481. The reversal of 612442 is 244216.

It can be written as a sum of positive squares in 2 ways, for example, as 516961 + 95481 = 719^2 + 309^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8973 + ... + 9040.

2⁶¹²⁴⁴² is an apocalyptic number.

612442 is a deficient number, since it is larger than the sum of its proper divisors (360314).

612442 is a wasteful number, since it uses less digits than its factorization.

612442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18032.

The product of its digits is 384, while the sum is 19.

The square root of 612442 is about 782.5867364069. The cubic root of 612442 is about 84.9222819028.

Adding to 612442 its reverse (244216), we get a palindrome (856658).

The spelling of 612442 in words is "six hundred twelve thousand, four hundred forty-two".