4649389 has 4 divisors (see below), whose sum is σ = 4659424. Its totient is φ = 4639356.

The previous prime is 4649371. The next prime is 4649399. The reversal of 4649389 is 9839464.

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 a cyclic number.

It is not a de Polignac number, because 4649389 - 2⁷ = 4649261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4649339) 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, 4287 + ... + 5260.

It is an arithmetic number, because the mean of its divisors is an integer number (1164856).

Almost surely, 2^4649389 is an apocalyptic number.

It is an amenable number.

4649389 is a deficient number, since it is larger than the sum of its proper divisors (10035).

4649389 is an equidigital number, since it uses as much as digits as its factorization.

4649389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10034.

The product of its digits is 186624, while the sum is 43.

The square root of 4649389 is about 2156.2441883980. The cubic root of 4649389 is about 166.9034425748.

The spelling of 4649389 in words is "four million, six hundred forty-nine thousand, three hundred eighty-nine".