43228953 has 6 divisors (see below), whose sum is σ = 62441834. Its totient is φ = 28819296.

The previous prime is 43228951. The next prime is 43228957. The reversal of 43228953 is 35982234.

It can be written as a sum of positive squares in only one way, i.e., 38044224 + 5184729 = 6168^2 + 2277^2 .

It is not a de Polignac number, because 43228953 - 2¹ = 43228951 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43228951) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2401600 + ... + 2401617.

Almost surely, 2^43228953 is an apocalyptic number.

It is an amenable number.

43228953 is a deficient number, since it is larger than the sum of its proper divisors (19212881).

43228953 is a wasteful number, since it uses less digits than its factorization.

43228953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4803223 (or 4803220 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 43228953 is about 6574.8728504816. The cubic root of 43228953 is about 350.9604991222.

The spelling of 43228953 in words is "forty-three million, two hundred twenty-eight thousand, nine hundred fifty-three".