4938421 has 4 divisors (see below), whose sum is σ = 5053312. Its totient is φ = 4823532.

The previous prime is 4938413. The next prime is 4938443. The reversal of 4938421 is 1248394.

4938421 is nontrivially palindromic in base 12.

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 4938421 - 2³ = 4938413 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 (4930421) 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, 57381 + ... + 57466.

It is an arithmetic number, because the mean of its divisors is an integer number (1263328).

Almost surely, 2^4938421 is an apocalyptic number.

It is an amenable number.

4938421 is a deficient number, since it is larger than the sum of its proper divisors (114891).

4938421 is a wasteful number, since it uses less digits than its factorization.

4938421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114890.

The product of its digits is 6912, while the sum is 31.

The square root of 4938421 is about 2222.2558358569. The cubic root of 4938421 is about 170.2927022017.

The spelling of 4938421 in words is "four million, nine hundred thirty-eight thousand, four hundred twenty-one".