612669 has 8 divisors (see below), whose sum is σ = 820512. Its totient is φ = 406640.

The previous prime is 612649. The next prime is 612671. The reversal of 612669 is 966216.

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

It is a cyclic number.

It is not a de Polignac number, because 612669 - 2⁵ = 612637 is a prime.

It is a super-2 number, since 2×612669² = 750726607122, which contains 22 as substring.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612649) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 1099 + ... + 1559.

It is an arithmetic number, because the mean of its divisors is an integer number (102564).

2⁶¹²⁶⁶⁹ is an apocalyptic number.

It is an amenable number.

612669 is a deficient number, since it is larger than the sum of its proper divisors (207843).

612669 is a wasteful number, since it uses less digits than its factorization.

612669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907.

The product of its digits is 3888, while the sum is 30.

The square root of 612669 is about 782.7317548177. The cubic root of 612669 is about 84.9327726795.

The spelling of 612669 in words is "six hundred twelve thousand, six hundred sixty-nine".