606931 has 4 divisors (see below), whose sum is σ = 653632. Its totient is φ = 560232.

The previous prime is 606919. The next prime is 606943. The reversal of 606931 is 139606.

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

It is an interprime number because it is at equal distance from previous prime (606919) and next prime (606943).

It is a cyclic number.

It is not a de Polignac number, because 606931 - 2⁵ = 606899 is a prime.

It is a super-2 number, since 2×606931² = 736730477522, 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 = 606896 and 606905.

It is not an unprimeable number, because it can be changed into a prime (606961) 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, 23331 + ... + 23356.

It is an arithmetic number, because the mean of its divisors is an integer number (163408).

2⁶⁰⁶⁹³¹ is an apocalyptic number.

606931 is a deficient number, since it is larger than the sum of its proper divisors (46701).

606931 is a wasteful number, since it uses less digits than its factorization.

606931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46700.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 606931 is about 779.0577642255. The cubic root of 606931 is about 84.6667923890. Note that the first 3 decimals are identical.

The spelling of 606931 in words is "six hundred six thousand, nine hundred thirty-one".