4809797 has 4 divisors (see below), whose sum is σ = 4814796. Its totient is φ = 4804800.

The previous prime is 4809787. The next prime is 4809799. The reversal of 4809797 is 7979084.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 139876 + 4669921 = 374^2 + 2161^2 .

It is a cyclic number.

It is not a de Polignac number, because 4809797 - 2⁴ = 4809781 is a prime.

It is a super-3 number, since 3×4809797³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4809799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 548 + ... + 3149.

It is an arithmetic number, because the mean of its divisors is an integer number (1203699).

Almost surely, 2^4809797 is an apocalyptic number.

It is an amenable number.

4809797 is a deficient number, since it is larger than the sum of its proper divisors (4999).

4809797 is a wasteful number, since it uses less digits than its factorization.

4809797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4998.

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 4809797 is about 2193.1249394414. The cubic root of 4809797 is about 168.8012204826.

The spelling of 4809797 in words is "four million, eight hundred nine thousand, seven hundred ninety-seven".