4857990 has 32 divisors (see below), whose sum is σ = 11805696. Its totient is φ = 1279200.

The previous prime is 4857973. The next prime is 4857997. The reversal of 4857990 is 997584.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4857997) 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 15 ways as a sum of consecutive naturals, for example, 1515 + ... + 3465.

It is an arithmetic number, because the mean of its divisors is an integer number (368928).

Almost surely, 2^4857990 is an apocalyptic number.

4857990 is an abundant number, since it is smaller than the sum of its proper divisors (6947706).

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

4857990 is a wasteful number, since it uses less digits than its factorization.

4857990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2044.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 4857990 is about 2204.0848441020. The cubic root of 4857990 is about 169.3631303438.

The spelling of 4857990 in words is "four million, eight hundred fifty-seven thousand, nine hundred ninety".