606720439 has 4 divisors (see below), whose sum is σ = 653391256. Its totient is φ = 560049624.

The previous prime is 606720421. The next prime is 606720449. The reversal of 606720439 is 934027606.

606720439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 934027606 = 2 ⋅467013803.

It is a cyclic number.

It is not a de Polignac number, because 606720439 - 2⁷ = 606720311 is a prime.

It is a super-2 number, since 2×606720439² = 736219382200705442, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 606720398 and 606720407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (606720409) 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, 23335389 + ... + 23335414.

It is an arithmetic number, because the mean of its divisors is an integer number (163347814).

Almost surely, 2^606720439 is an apocalyptic number.

606720439 is a deficient number, since it is larger than the sum of its proper divisors (46670817).

606720439 is a wasteful number, since it uses less digits than its factorization.

606720439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46670816.

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 606720439 is about 24631.6958206292. The cubic root of 606720439 is about 846.5700017947.

The spelling of 606720439 in words is "six hundred six million, seven hundred twenty thousand, four hundred thirty-nine".