4858640 has 20 divisors (see below), whose sum is σ = 11296524. Its totient is φ = 1943424.

The previous prime is 4858627. The next prime is 4858643. The reversal of 4858640 is 468584.

It can be written as a sum of positive squares in 2 ways, for example, as 1817104 + 3041536 = 1348^2 + 1744^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 4858640.

It is not an unprimeable number, because it can be changed into a prime (4858643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30287 + ... + 30446.

Almost surely, 2^4858640 is an apocalyptic number.

4858640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4858640 is an abundant number, since it is smaller than the sum of its proper divisors (6437884).

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

4858640 is a wasteful number, since it uses less digits than its factorization.

4858640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60746 (or 60740 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 4858640 is about 2204.2322926588. The cubic root of 4858640 is about 169.3706836134.

The spelling of 4858640 in words is "four million, eight hundred fifty-eight thousand, six hundred forty".