4477421 has 4 divisors (see below), whose sum is σ = 4821852. Its totient is φ = 4132992.

The previous prime is 4477411. The next prime is 4477427. The reversal of 4477421 is 1247744.

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 1276900 + 3200521 = 1130^2 + 1789^2 .

It is a cyclic number.

It is not a de Polignac number, because 4477421 - 2¹⁰ = 4476397 is a prime.

It is a super-2 number, since 2×4477421² = 40094597622482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4477427) 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 3 ways as a sum of consecutive naturals, for example, 172196 + ... + 172221.

It is an arithmetic number, because the mean of its divisors is an integer number (1205463).

Almost surely, 2^4477421 is an apocalyptic number.

It is an amenable number.

4477421 is a deficient number, since it is larger than the sum of its proper divisors (344431).

4477421 is a wasteful number, since it uses less digits than its factorization.

4477421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344430.

The product of its digits is 6272, while the sum is 29.

The square root of 4477421 is about 2115.9917296625. The cubic root of 4477421 is about 164.8197726025.

The spelling of 4477421 in words is "four million, four hundred seventy-seven thousand, four hundred twenty-one".