4926421 has 4 divisors (see below), whose sum is σ = 5007244. Its totient is φ = 4845600.

The previous prime is 4926419. The next prime is 4926451. The reversal of 4926421 is 1246294.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 562500 + 4363921 = 750^2 + 2089^2 .

It is a cyclic number.

It is not a de Polignac number, because 4926421 - 2¹ = 4926419 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 4926421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4926401) 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, 40320 + ... + 40441.

It is an arithmetic number, because the mean of its divisors is an integer number (1251811).

Almost surely, 2^4926421 is an apocalyptic number.

It is an amenable number.

4926421 is a deficient number, since it is larger than the sum of its proper divisors (80823).

4926421 is an equidigital number, since it uses as much as digits as its factorization.

4926421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80822.

The product of its digits is 3456, while the sum is 28.

The square root of 4926421 is about 2219.5542345255. The cubic root of 4926421 is about 170.1546574124.

The spelling of 4926421 in words is "four million, nine hundred twenty-six thousand, four hundred twenty-one".