4891020 has 24 divisors (see below), whose sum is σ = 13695024. Its totient is φ = 1304256.

The previous prime is 4891001. The next prime is 4891027. The reversal of 4891020 is 201984.

It is not an unprimeable number, because it can be changed into a prime (4891027) 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, 40699 + ... + 40818.

It is an arithmetic number, because the mean of its divisors is an integer number (570626).

Almost surely, 2^4891020 is an apocalyptic number.

It is an amenable number.

4891020 is an abundant number, since it is smaller than the sum of its proper divisors (8804004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4891020 is a wasteful number, since it uses less digits than its factorization.

4891020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81529 (or 81527 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 4891020 is about 2211.5650566963. The cubic root of 4891020 is about 169.7461031132.

The spelling of 4891020 in words is "four million, eight hundred ninety-one thousand, twenty".