4631641 has 4 divisors (see below), whose sum is σ = 5293312. Its totient is φ = 3969972.

The previous prime is 4631639. The next prime is 4631651. The reversal of 4631641 is 1461364.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4631641 - 2¹ = 4631639 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (4631651) 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 3 ways as a sum of consecutive naturals, for example, 330825 + ... + 330838.

It is an arithmetic number, because the mean of its divisors is an integer number (1323328).

Almost surely, 2^4631641 is an apocalyptic number.

It is an amenable number.

4631641 is a deficient number, since it is larger than the sum of its proper divisors (661671).

4631641 is an equidigital number, since it uses as much as digits as its factorization.

4631641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661670.

The product of its digits is 1728, while the sum is 25.

The square root of 4631641 is about 2152.1247640413. The cubic root of 4631641 is about 166.6907996165.

The spelling of 4631641 in words is "four million, six hundred thirty-one thousand, six hundred forty-one".