4821649 has 12 divisors (see below), whose sum is σ = 5905200. Its totient is φ = 3914568.

The previous prime is 4821643. The next prime is 4821653. The reversal of 4821649 is 9461284.

It is not a de Polignac number, because 4821649 - 2⁵ = 4821617 is a prime.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (4821643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1659 + ... + 3520.

It is an arithmetic number, because the mean of its divisors is an integer number (492100).

Almost surely, 2^4821649 is an apocalyptic number.

4821649 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

4821649 is a deficient number, since it is larger than the sum of its proper divisors (1083551).

4821649 is a wasteful number, since it uses less digits than its factorization.

4821649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5212 (or 5205 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 4821649 is about 2195.8253573543. The cubic root of 4821649 is about 168.9397565465.

The spelling of 4821649 in words is "four million, eight hundred twenty-one thousand, six hundred forty-nine".