4909456 has 20 divisors (see below), whose sum is σ = 9770332. Its totient is φ = 2388096.

The previous prime is 4909451. The next prime is 4909477. The reversal of 4909456 is 6549094.

It can be written as a sum of positive squares in 2 ways, for example, as 2835856 + 2073600 = 1684^2 + 1440^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4909451) 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, 3555 + ... + 4738.

Almost surely, 2^4909456 is an apocalyptic number.

It is an amenable number.

4909456 is a deficient number, since it is larger than the sum of its proper divisors (4860876).

4909456 is a wasteful number, since it uses less digits than its factorization.

4909456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8338 (or 8332 counting only the distinct ones).

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

The square root of 4909456 is about 2215.7292253342. The cubic root of 4909456 is about 169.9591135813.

The spelling of 4909456 in words is "four million, nine hundred nine thousand, four hundred fifty-six".