612406 has 8 divisors (see below), whose sum is σ = 940104. Its totient is φ = 299040.

The previous prime is 612401. The next prime is 612407. The reversal of 612406 is 604216.

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

It is a super-2 number, since 2×612406² = 750082217672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612401) 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, 3475 + ... + 3646.

It is an arithmetic number, because the mean of its divisors is an integer number (117513).

2⁶¹²⁴⁰⁶ is an apocalyptic number.

612406 is a deficient number, since it is larger than the sum of its proper divisors (327698).

612406 is a wasteful number, since it uses less digits than its factorization.

612406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7166.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 612406 is about 782.5637354235. The cubic root of 612406 is about 84.9206179292.

The spelling of 612406 in words is "six hundred twelve thousand, four hundred six".