4609851 has 4 divisors (see below), whose sum is σ = 6146472. Its totient is φ = 3073232.

The previous prime is 4609849. The next prime is 4609897. The reversal of 4609851 is 1589064.

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

It is a cyclic number.

It is not a de Polignac number, because 4609851 - 2¹ = 4609849 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (4609351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 768306 + ... + 768311.

It is an arithmetic number, because the mean of its divisors is an integer number (1536618).

Almost surely, 2^4609851 is an apocalyptic number.

4609851 is a deficient number, since it is larger than the sum of its proper divisors (1536621).

4609851 is a wasteful number, since it uses less digits than its factorization.

4609851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1536620.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 4609851 is about 2147.0563569688. The cubic root of 4609851 is about 166.4289843148.

It can be divided in two parts, 4609 and 851, that added together give a triangular number (5460 = T₁₀₄).

The spelling of 4609851 in words is "four million, six hundred nine thousand, eight hundred fifty-one".