612606 has 8 divisors (see below), whose sum is σ = 1225224. Its totient is φ = 204200.

The previous prime is 612589. The next prime is 612611. The reversal of 612606 is 606216.

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

612606 is an admirable number.

It is a super-2 number, since 2×612606² = 750572222472, which contains 22 as substring.

It is a congruent number.

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, 51045 + ... + 51056.

It is an arithmetic number, because the mean of its divisors is an integer number (153153).

2⁶¹²⁶⁰⁶ is an apocalyptic number.

612606 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

612606 is a wasteful number, since it uses less digits than its factorization.

612606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102106.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 612606 is about 782.6915101111. The cubic root of 612606 is about 84.9298614022.

The spelling of 612606 in words is "six hundred twelve thousand, six hundred six".