4775409 has 16 divisors (see below), whose sum is σ = 7131840. Its totient is φ = 3157920.

The previous prime is 4775383. The next prime is 4775413. The reversal of 4775409 is 9045774.

It is a happy number.

It is not a de Polignac number, because 4775409 - 2⁵ = 4775377 is a prime.

It is a super-2 number, since 2×4775409² = 45609062234562, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4775489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3054 + ... + 4344.

It is an arithmetic number, because the mean of its divisors is an integer number (445740).

Almost surely, 2^4775409 is an apocalyptic number.

It is an amenable number.

4775409 is a deficient number, since it is larger than the sum of its proper divisors (2356431).

4775409 is a wasteful number, since it uses less digits than its factorization.

4775409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437 (or 1431 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 4775409 is about 2185.2709214191. The cubic root of 4775409 is about 168.3979723221.

It can be divided in two parts, 4775 and 409, that added together give a square (5184 = 72²).

The spelling of 4775409 in words is "four million, seven hundred seventy-five thousand, four hundred nine".