606619 has 4 divisors (see below), whose sum is σ = 653296. Its totient is φ = 559944.

The previous prime is 606607. The next prime is 606643. The reversal of 606619 is 916606.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 606619 - 2⁵ = 606587 is a prime.

It is a super-2 number, since 2×606619² = 735973222322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (606649) 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, 23319 + ... + 23344.

It is an arithmetic number, because the mean of its divisors is an integer number (163324).

2⁶⁰⁶⁶¹⁹ is an apocalyptic number.

606619 is a deficient number, since it is larger than the sum of its proper divisors (46677).

606619 is a wasteful number, since it uses less digits than its factorization.

606619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46676.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 606619 is about 778.8574965936. The cubic root of 606619 is about 84.6522819163.

It can be divided in two parts, 606 and 619, that added together give a triangular number (1225 = T₄₉).

The spelling of 606619 in words is "six hundred six thousand, six hundred nineteen".