43268631 has 16 divisors (see below), whose sum is σ = 66027264. Its totient is φ = 24689664.

The previous prime is 43268629. The next prime is 43268657. The reversal of 43268631 is 13686234.

It is not a de Polignac number, because 43268631 - 2¹ = 43268629 is a prime.

It is a super-2 number, since 2×43268631² = 3744348857228322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43268592 and 43268601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43268611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23320 + ... + 25106.

It is an arithmetic number, because the mean of its divisors is an integer number (4126704).

Almost surely, 2^43268631 is an apocalyptic number.

43268631 is a deficient number, since it is larger than the sum of its proper divisors (22758633).

43268631 is a wasteful number, since it uses less digits than its factorization.

43268631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2950.

The product of its digits is 20736, while the sum is 33.

The square root of 43268631 is about 6577.8895551689. The cubic root of 43268631 is about 351.0678434780.

The spelling of 43268631 in words is "forty-three million, two hundred sixty-eight thousand, six hundred thirty-one".