4890561 has 8 divisors (see below), whose sum is σ = 7022400. Its totient is φ = 3009552.

The previous prime is 4890547. The next prime is 4890563. The reversal of 4890561 is 1650984.

4890561 is digitally balanced in base 4, 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 not a de Polignac number, because 4890561 - 2⁶ = 4890497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4890563) 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, 62661 + ... + 62738.

It is an arithmetic number, because the mean of its divisors is an integer number (877800).

Almost surely, 2^4890561 is an apocalyptic number.

It is an amenable number.

4890561 is a deficient number, since it is larger than the sum of its proper divisors (2131839).

4890561 is a wasteful number, since it uses less digits than its factorization.

4890561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125415.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 4890561 is about 2211.4612815964. The cubic root of 4890561 is about 169.7407929803.

It can be divided in two parts, 48 and 90561, that added together give a palindrome (90609).

The spelling of 4890561 in words is "four million, eight hundred ninety thousand, five hundred sixty-one".