600906409 has 4 divisors (see below), whose sum is σ = 600982416. Its totient is φ = 600830404.

The previous prime is 600906403. The next prime is 600906431. The reversal of 600906409 is 904609006.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 600906409 - 2⁵ = 600906377 is a prime.

It is a super-2 number, since 2×600906409² = 722177024754550562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (600906403) 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, 24559 + ... + 42484.

It is an arithmetic number, because the mean of its divisors is an integer number (150245604).

Almost surely, 2^600906409 is an apocalyptic number.

It is an amenable number.

600906409 is a deficient number, since it is larger than the sum of its proper divisors (76007).

600906409 is an equidigital number, since it uses as much as digits as its factorization.

600906409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76006.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 600906409 is about 24513.3924416838. The cubic root of 600906409 is about 843.8571710306.

The spelling of 600906409 in words is "six hundred million, nine hundred six thousand, four hundred nine".