4791865 has 8 divisors (see below), whose sum is σ = 6192648. Its totient is φ = 3538560.

The previous prime is 4791863. The next prime is 4791881. The reversal of 4791865 is 5681974.

It can be written as a sum of positive squares in 4 ways, for example, as 144 + 4791721 = 12^2 + 2189^2 .

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

It is not a de Polignac number, because 4791865 - 2¹ = 4791863 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4791863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36796 + ... + 36925.

It is an arithmetic number, because the mean of its divisors is an integer number (774081).

Almost surely, 2^4791865 is an apocalyptic number.

It is an amenable number.

4791865 is a deficient number, since it is larger than the sum of its proper divisors (1400783).

4791865 is a wasteful number, since it uses less digits than its factorization.

4791865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73739.

The product of its digits is 60480, while the sum is 40.

The square root of 4791865 is about 2189.0328914843. The cubic root of 4791865 is about 168.5911829970.

The spelling of 4791865 in words is "four million, seven hundred ninety-one thousand, eight hundred sixty-five".