4661655 has 32 divisors (see below), whose sum is σ = 8019648. Its totient is φ = 2304000.

The previous prime is 4661651. The next prime is 4661693. The reversal of 4661655 is 5561664.

It is not a de Polignac number, because 4661655 - 2² = 4661651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4661651) 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 31 ways as a sum of consecutive naturals, for example, 25665 + ... + 25845.

It is an arithmetic number, because the mean of its divisors is an integer number (250614).

Almost surely, 2^4661655 is an apocalyptic number.

4661655 is a deficient number, since it is larger than the sum of its proper divisors (3357993).

4661655 is a wasteful number, since it uses less digits than its factorization.

4661655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307.

The product of its digits is 21600, while the sum is 33.

The square root of 4661655 is about 2159.0866124359. The cubic root of 4661655 is about 167.0500883615.

Subtracting 4661655 from its reverse (5561664), we obtain a palindrome (900009).

The spelling of 4661655 in words is "four million, six hundred sixty-one thousand, six hundred fifty-five".