4493121 has 4 divisors (see below), whose sum is σ = 5990832. Its totient is φ = 2995412.

The previous prime is 4493081. The next prime is 4493129. The reversal of 4493121 is 1213944.

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 4493121 - 2¹⁵ = 4460353 is a prime.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 4493091 and 4493100.

It is not an unprimeable number, because it can be changed into a prime (4493129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 748851 + ... + 748856.

It is an arithmetic number, because the mean of its divisors is an integer number (1497708).

Almost surely, 2^4493121 is an apocalyptic number.

It is an amenable number.

4493121 is a deficient number, since it is larger than the sum of its proper divisors (1497711).

4493121 is a wasteful number, since it uses less digits than its factorization.

4493121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1497710.

The product of its digits is 864, while the sum is 24.

The square root of 4493121 is about 2119.6983275929. The cubic root of 4493121 is about 165.0121937729.

It can be divided in two parts, 449 and 3121, that added together give a triangular number (3570 = T₈₄).

The spelling of 4493121 in words is "four million, four hundred ninety-three thousand, one hundred twenty-one".