4894509 has 4 divisors (see below), whose sum is σ = 6526016. Its totient is φ = 3263004.

The previous prime is 4894499. The next prime is 4894511. The reversal of 4894509 is 9054984.

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 not a de Polignac number, because 4894509 - 2⁴ = 4894493 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4894529) 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 3 ways as a sum of consecutive naturals, for example, 815749 + ... + 815754.

It is an arithmetic number, because the mean of its divisors is an integer number (1631504).

Almost surely, 2^4894509 is an apocalyptic number.

It is an amenable number.

4894509 is a deficient number, since it is larger than the sum of its proper divisors (1631507).

4894509 is a wasteful number, since it uses less digits than its factorization.

4894509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1631506.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 4894509 is about 2212.3537239782. The cubic root of 4894509 is about 169.7864562082.

The spelling of 4894509 in words is "four million, eight hundred ninety-four thousand, five hundred nine".