4376421 has 12 divisors (see below), whose sum is σ = 7224672. Its totient is φ = 2500776.

The previous prime is 4376413. The next prime is 4376447. The reversal of 4376421 is 1246734.

It is not a de Polignac number, because 4376421 - 2³ = 4376413 is a prime.

It is a d-powerful number, because it can be written as 4⁶ + 3⁵ + 7² + 6⁶ + 4¹¹ + 2¹⁷ + 1 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4376401) 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 11 ways as a sum of consecutive naturals, for example, 34671 + ... + 34796.

It is an arithmetic number, because the mean of its divisors is an integer number (602056).

Almost surely, 2^4376421 is an apocalyptic number.

It is an amenable number.

4376421 is a deficient number, since it is larger than the sum of its proper divisors (2848251).

4376421 is a wasteful number, since it uses less digits than its factorization.

4376421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69480 (or 69477 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 4376421 is about 2091.9897227281. The cubic root of 4376421 is about 163.5710209649.

The spelling of 4376421 in words is "four million, three hundred seventy-six thousand, four hundred twenty-one".