4648989 has 8 divisors (see below), whose sum is σ = 6219712. Its totient is φ = 3088800.

The previous prime is 4648979. The next prime is 4648991. The reversal of 4648989 is 9898464.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4648989 - 2⁵ = 4648957 is a prime.

It is a super-2 number, since 2×4648989² = 43226197444242, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

4648989 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4648979) 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 7 ways as a sum of consecutive naturals, for example, 1537 + ... + 3414.

It is an arithmetic number, because the mean of its divisors is an integer number (777464).

Almost surely, 2^4648989 is an apocalyptic number.

It is an amenable number.

4648989 is a deficient number, since it is larger than the sum of its proper divisors (1570723).

4648989 is a wasteful number, since it uses less digits than its factorization.

4648989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5267.

The product of its digits is 497664, while the sum is 48.

The square root of 4648989 is about 2156.1514325297. The cubic root of 4648989 is about 166.8986560469.

It can be divided in two parts, 464 and 8989, that added together give a triangular number (9453 = T₁₃₇).

The spelling of 4648989 in words is "four million, six hundred forty-eight thousand, nine hundred eighty-nine".