4484921 has 6 divisors (see below), whose sum is σ = 5217210. Its totient is φ = 3844176.

The previous prime is 4484917. The next prime is 4484927. The reversal of 4484921 is 1294844.

It can be written as a sum of positive squares in only one way, i.e., 2524921 + 1960000 = 1589^2 + 1400^2 .

It is not a de Polignac number, because 4484921 - 2² = 4484917 is a prime.

It is a super-2 number, since 2×4484921² = 40229032752482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4484927) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45716 + ... + 45813.

It is an arithmetic number, because the mean of its divisors is an integer number (869535).

Almost surely, 2^4484921 is an apocalyptic number.

It is an amenable number.

4484921 is a deficient number, since it is larger than the sum of its proper divisors (732289).

4484921 is an equidigital number, since it uses as much as digits as its factorization.

4484921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91543 (or 91536 counting only the distinct ones).

The product of its digits is 9216, while the sum is 32.

The square root of 4484921 is about 2117.7632067821. The cubic root of 4484921 is about 164.9117495630.

The spelling of 4484921 in words is "four million, four hundred eighty-four thousand, nine hundred twenty-one".