4636431 has 12 divisors (see below), whose sum is σ = 6782880. Its totient is φ = 3051360.

The previous prime is 4636381. The next prime is 4636441. The reversal of 4636431 is 1346364.

It is a de Polignac number, because none of the positive numbers 2^k-4636431 is a prime.

It is a super-2 number, since 2×4636431² = 42992984835522, which contains 22 as substring.

It is a d-powerful number, because it can be written as 4⁹ + 6⁴ + 3⁵ + 6⁴ + 4¹¹ + 3¹¹ + 1 .

4636431 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4636395 and 4636404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4636441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2550 + ... + 3971.

It is an arithmetic number, because the mean of its divisors is an integer number (565240).

Almost surely, 2^4636431 is an apocalyptic number.

4636431 is a deficient number, since it is larger than the sum of its proper divisors (2146449).

4636431 is a wasteful number, since it uses less digits than its factorization.

4636431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6606 (or 6603 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 4636431 is about 2153.2373301613. The cubic root of 4636431 is about 166.7482431762.

The spelling of 4636431 in words is "four million, six hundred thirty-six thousand, four hundred thirty-one".