4926809 has 4 divisors (see below), whose sum is σ = 5060004. Its totient is φ = 4793616.

The previous prime is 4926793. The next prime is 4926851. The reversal of 4926809 is 9086294.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1968409 + 2958400 = 1403^2 + 1720^2 .

It is a cyclic number.

It is not a de Polignac number, because 4926809 - 2⁴ = 4926793 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4926409) 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, 66542 + ... + 66615.

It is an arithmetic number, because the mean of its divisors is an integer number (1265001).

Almost surely, 2^4926809 is an apocalyptic number.

It is an amenable number.

4926809 is a deficient number, since it is larger than the sum of its proper divisors (133195).

4926809 is a wasteful number, since it uses less digits than its factorization.

4926809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133194.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 4926809 is about 2219.6416377425. The cubic root of 4926809 is about 170.1591243654.

The spelling of 4926809 in words is "four million, nine hundred twenty-six thousand, eight hundred nine".