4949605 has 4 divisors (see below), whose sum is σ = 5939532. Its totient is φ = 3959680.

The previous prime is 4949603. The next prime is 4949611. The reversal of 4949605 is 5069494.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5069494 = 2 ⋅2534747.

It can be written as a sum of positive squares in 2 ways, for example, as 2022084 + 2927521 = 1422^2 + 1711^2 .

It is not a de Polignac number, because 4949605 - 2¹ = 4949603 is a prime.

It is a Duffinian number.

4949605 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4949603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 494956 + ... + 494965.

It is an arithmetic number, because the mean of its divisors is an integer number (1484883).

Almost surely, 2^4949605 is an apocalyptic number.

It is an amenable number.

4949605 is a deficient number, since it is larger than the sum of its proper divisors (989927).

4949605 is an equidigital number, since it uses as much as digits as its factorization.

4949605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989926.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 4949605 is about 2224.7707747092. The cubic root of 4949605 is about 170.4211587566.

The spelling of 4949605 in words is "four million, nine hundred forty-nine thousand, six hundred five".