4809605 has 8 divisors (see below), whose sum is σ = 5851032. Its totient is φ = 3794688.

The previous prime is 4809583. The next prime is 4809643. The reversal of 4809605 is 5069084.

It can be written as a sum of positive squares in 4 ways, for example, as 833569 + 3976036 = 913^2 + 1994^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4809605 - 2⁸ = 4809349 is a prime.

It is a super-3 number, since 3×4809605³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6224 + ... + 6953.

It is an arithmetic number, because the mean of its divisors is an integer number (731379).

Almost surely, 2^4809605 is an apocalyptic number.

It is an amenable number.

4809605 is a deficient number, since it is larger than the sum of its proper divisors (1041427).

4809605 is a wasteful number, since it uses less digits than its factorization.

4809605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13255.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 4809605 is about 2193.0811658486. The cubic root of 4809605 is about 168.7989743542.

The spelling of 4809605 in words is "four million, eight hundred nine thousand, six hundred five".