4809890 has 8 divisors (see below), whose sum is σ = 8657820. Its totient is φ = 1923952.

The previous prime is 4809881. The next prime is 4809901. The reversal of 4809890 is 989084.

It can be written as a sum of positive squares in 2 ways, for example, as 4800481 + 9409 = 2191^2 + 97^2 .

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

It is a super-3 number, since 3×4809890³ (a number of 21 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240485 + ... + 240504.

Almost surely, 2^4809890 is an apocalyptic number.

4809890 is a deficient number, since it is larger than the sum of its proper divisors (3847930).

4809890 is a wasteful number, since it uses less digits than its factorization.

4809890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480996.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 4809890 is about 2193.1461419614. The cubic root of 4809890 is about 168.8023084296.

The spelling of 4809890 in words is "four million, eight hundred nine thousand, eight hundred ninety".