4905881 has 4 divisors (see below), whose sum is σ = 4965072. Its totient is φ = 4846692.

The previous prime is 4905869. The next prime is 4905899. The reversal of 4905881 is 1885094.

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 4905881 - 2¹⁴ = 4889497 is a prime.

It is a super-2 number, since 2×4905881² = 48135336772322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4905181) 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 3 ways as a sum of consecutive naturals, for example, 29471 + ... + 29636.

It is an arithmetic number, because the mean of its divisors is an integer number (1241268).

Almost surely, 2^4905881 is an apocalyptic number.

It is an amenable number.

4905881 is a deficient number, since it is larger than the sum of its proper divisors (59191).

4905881 is an equidigital number, since it uses as much as digits as its factorization.

4905881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59190.

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 4905881 is about 2214.9223462686. The cubic root of 4905881 is about 169.9178495816.

The spelling of 4905881 in words is "four million, nine hundred five thousand, eight hundred eighty-one".