4918641 has 32 divisors (see below), whose sum is σ = 8279040. Its totient is φ = 2528064.

The previous prime is 4918637. The next prime is 4918649. The reversal of 4918641 is 1468194.

4918641 = 186² + 187² + ... + 276².

It is not a de Polignac number, because 4918641 - 2² = 4918637 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4918649) 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, 11530 + ... + 11948.

It is an arithmetic number, because the mean of its divisors is an integer number (258720).

Almost surely, 2^4918641 is an apocalyptic number.

It is an amenable number.

4918641 is a deficient number, since it is larger than the sum of its proper divisors (3360399).

4918641 is a wasteful number, since it uses less digits than its factorization.

4918641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485.

The product of its digits is 6912, while the sum is 33.

The square root of 4918641 is about 2217.8009378662. The cubic root of 4918641 is about 170.0650385515.

Multiplying 4918641 by its sum of digits (33), we get a triangular number (162315153 = T₁₈₀₁₇).

The spelling of 4918641 in words is "four million, nine hundred eighteen thousand, six hundred forty-one".