4908421 has 8 divisors (see below), whose sum is σ = 5636160. Its totient is φ = 4187328.

The previous prime is 4908413. The next prime is 4908433. The reversal of 4908421 is 1248094.

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

It is a cyclic number.

It is not a de Polignac number, because 4908421 - 2³ = 4908413 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4908421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4908451) 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, 45 + ... + 3133.

It is an arithmetic number, because the mean of its divisors is an integer number (704520).

Almost surely, 2^4908421 is an apocalyptic number.

It is an amenable number.

4908421 is a deficient number, since it is larger than the sum of its proper divisors (727739).

4908421 is a wasteful number, since it uses less digits than its factorization.

4908421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3323.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 4908421 is about 2215.4956556040. The cubic root of 4908421 is about 169.9471692814.

It can be divided in two parts, 4908 and 421, that added together give a square (5329 = 73²).

The spelling of 4908421 in words is "four million, nine hundred eight thousand, four hundred twenty-one".