4887421 has 8 divisors (see below), whose sum is σ = 6093504. Its totient is φ = 3808320.

The previous prime is 4887409. The next prime is 4887437. The reversal of 4887421 is 1247884.

4887421 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4887421 - 2¹¹ = 4885373 is a prime.

It is a Duffinian number.

4887421 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4887401) 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 7 ways as a sum of consecutive naturals, for example, 31660 + ... + 31813.

It is an arithmetic number, because the mean of its divisors is an integer number (761688).

Almost surely, 2^4887421 is an apocalyptic number.

It is an amenable number.

4887421 is a deficient number, since it is larger than the sum of its proper divisors (1206083).

4887421 is a wasteful number, since it uses less digits than its factorization.

4887421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63491.

The product of its digits is 14336, while the sum is 34.

The square root of 4887421 is about 2210.7512297859. The cubic root of 4887421 is about 169.7044576670.

The spelling of 4887421 in words is "four million, eight hundred eighty-seven thousand, four hundred twenty-one".