4889621 has 8 divisors (see below), whose sum is σ = 5435424. Its totient is φ = 4360720.

The previous prime is 4889611. The next prime is 4889641. The reversal of 4889621 is 1269884.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4889621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4889611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3611 + ... + 4776.

It is an arithmetic number, because the mean of its divisors is an integer number (679428).

Almost surely, 2^4889621 is an apocalyptic number.

It is an amenable number.

4889621 is a deficient number, since it is larger than the sum of its proper divisors (545803).

4889621 is a wasteful number, since it uses less digits than its factorization.

4889621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8451.

The product of its digits is 27648, while the sum is 38.

The square root of 4889621 is about 2211.2487422269. The cubic root of 4889621 is about 169.7299171613.

The spelling of 4889621 in words is "four million, eight hundred eighty-nine thousand, six hundred twenty-one".