612849 has 8 divisors (see below), whose sum is σ = 829600. Its totient is φ = 402336.

The previous prime is 612847. The next prime is 612853. The reversal of 612849 is 948216.

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

It is not a de Polignac number, because 612849 - 2¹ = 612847 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (612841) 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, 1324 + ... + 1725.

It is an arithmetic number, because the mean of its divisors is an integer number (103700).

2⁶¹²⁸⁴⁹ is an apocalyptic number.

It is an amenable number.

612849 is a deficient number, since it is larger than the sum of its proper divisors (216751).

612849 is a wasteful number, since it uses less digits than its factorization.

612849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3119.

The product of its digits is 3456, while the sum is 30.

The square root of 612849 is about 782.8467282936. The cubic root of 612849 is about 84.9410895152.

The spelling of 612849 in words is "six hundred twelve thousand, eight hundred forty-nine".