4869621 has 12 divisors (see below), whose sum is σ = 7198048. Its totient is φ = 3170664.

The previous prime is 4869617. The next prime is 4869637. The reversal of 4869621 is 1269684.

It is not a de Polignac number, because 4869621 - 2² = 4869617 is a prime.

It is a Duffinian number.

It is a Curzon number.

4869621 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4869121) 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 11 ways as a sum of consecutive naturals, for example, 5905 + ... + 6678.

Almost surely, 2^4869621 is an apocalyptic number.

It is an amenable number.

4869621 is a deficient number, since it is larger than the sum of its proper divisors (2328427).

4869621 is a wasteful number, since it uses less digits than its factorization.

4869621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12632 (or 12629 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 4869621 is about 2206.7217767539. The cubic root of 4869621 is about 169.4981856908.

The spelling of 4869621 in words is "four million, eight hundred sixty-nine thousand, six hundred twenty-one".