4536861 has 16 divisors (see below), whose sum is σ = 7056000. Its totient is φ = 2591904.

The previous prime is 4536859. The next prime is 4536869. The reversal of 4536861 is 1686354.

It is not a de Polignac number, because 4536861 - 2¹ = 4536859 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4536869) 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 15 ways as a sum of consecutive naturals, for example, 1176 + ... + 3233.

It is an arithmetic number, because the mean of its divisors is an integer number (441000).

Almost surely, 2^4536861 is an apocalyptic number.

It is an amenable number.

4536861 is a deficient number, since it is larger than the sum of its proper divisors (2519139).

4536861 is an equidigital number, since it uses as much as digits as its factorization.

4536861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4433 (or 4419 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 4536861 is about 2129.9908450507. The cubic root of 4536861 is about 165.5459236139.

The spelling of 4536861 in words is "four million, five hundred thirty-six thousand, eight hundred sixty-one".