4631861 has 8 divisors (see below), whose sum is σ = 5009760. Its totient is φ = 4257072.

The previous prime is 4631843. The next prime is 4631863. The reversal of 4631861 is 1681364.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4631861 - 2⁶ = 4631797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4631863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3050 + ... + 4308.

It is an arithmetic number, because the mean of its divisors is an integer number (626220).

Almost surely, 2^4631861 is an apocalyptic number.

It is an amenable number.

4631861 is a deficient number, since it is larger than the sum of its proper divisors (377899).

4631861 is a wasteful number, since it uses less digits than its factorization.

4631861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555.

The product of its digits is 3456, while the sum is 29.

The square root of 4631861 is about 2152.1758757128. The cubic root of 4631861 is about 166.6934388104.

The spelling of 4631861 in words is "four million, six hundred thirty-one thousand, eight hundred sixty-one".