4809739 has 8 divisors (see below), whose sum is σ = 5336640. Its totient is φ = 4297800.

The previous prime is 4809731. The next prime is 4809773. The reversal of 4809739 is 9379084.

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

It is a cyclic number.

It is not a de Polignac number, because 4809739 - 2³ = 4809731 is a prime.

It is a super-3 number, since 3×4809739³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4809731) 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, 3057 + ... + 4354.

It is an arithmetic number, because the mean of its divisors is an integer number (667080).

Almost surely, 2^4809739 is an apocalyptic number.

4809739 is a deficient number, since it is larger than the sum of its proper divisors (526901).

4809739 is a wasteful number, since it uses less digits than its factorization.

4809739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7481.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 4809739 is about 2193.1117162607. Note that the first 3 decimals coincide. The cubic root of 4809739 is about 168.8005419710.

The spelling of 4809739 in words is "four million, eight hundred nine thousand, seven hundred thirty-nine".