4461631 has 4 divisors (see below), whose sum is σ = 4476472. Its totient is φ = 4446792.

The previous prime is 4461623. The next prime is 4461641. The reversal of 4461631 is 1361644.

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 4461631 - 2³ = 4461623 is a prime.

It is a super-2 number, since 2×4461631² = 39812302360322, which contains 22 as substring.

It is a Duffinian number.

4461631 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4461596 and 4461605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4461641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6960 + ... + 7573.

It is an arithmetic number, because the mean of its divisors is an integer number (1119118).

Almost surely, 2^4461631 is an apocalyptic number.

4461631 is a deficient number, since it is larger than the sum of its proper divisors (14841).

4461631 is a wasteful number, since it uses less digits than its factorization.

4461631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14840.

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

The square root of 4461631 is about 2112.2573233392. The cubic root of 4461631 is about 164.6257941542.

The spelling of 4461631 in words is "four million, four hundred sixty-one thousand, six hundred thirty-one".