4962809 has 4 divisors (see below), whose sum is σ = 4973904. Its totient is φ = 4951716.

The previous prime is 4962803. The next prime is 4962833. The reversal of 4962809 is 9082694.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9082694 = 2 ⋅4541347.

It is a cyclic number.

It is not a de Polignac number, because 4962809 - 2¹⁶ = 4897273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4962803) 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, 4847 + ... + 5780.

It is an arithmetic number, because the mean of its divisors is an integer number (1243476).

Almost surely, 2^4962809 is an apocalyptic number.

It is an amenable number.

4962809 is a deficient number, since it is larger than the sum of its proper divisors (11095).

4962809 is a wasteful number, since it uses less digits than its factorization.

4962809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11094.

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

The square root of 4962809 is about 2227.7362949865. The cubic root of 4962809 is about 170.5725676711.

Subtracting 4962809 from its reverse (9082694), we obtain a triangular number (4119885 = T₂₈₇₀).

The spelling of 4962809 in words is "four million, nine hundred sixty-two thousand, eight hundred nine".