4989281 has 4 divisors (see below), whose sum is σ = 5442864. Its totient is φ = 4535700.

The previous prime is 4989277. The next prime is 4989287. The reversal of 4989281 is 1829894.

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 4989281 - 2² = 4989277 is a prime.

It is a super-2 number, since 2×4989281² = 49785849793922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4989287) 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, 226775 + ... + 226796.

It is an arithmetic number, because the mean of its divisors is an integer number (1360716).

Almost surely, 2^4989281 is an apocalyptic number.

It is an amenable number.

4989281 is a deficient number, since it is larger than the sum of its proper divisors (453583).

4989281 is a wasteful number, since it uses less digits than its factorization.

4989281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453582.

The product of its digits is 41472, while the sum is 41.

The square root of 4989281 is about 2233.6698502688. The cubic root of 4989281 is about 170.8753123619.

It can be divided in two parts, 498 and 9281, that added together give a palindrome (9779).

The spelling of 4989281 in words is "four million, nine hundred eighty-nine thousand, two hundred eighty-one".