43828361 has 2 divisors, whose sum is σ = 43828362. Its totient is φ = 43828360.

The previous prime is 43828349. The next prime is 43828373. The reversal of 43828361 is 16382834.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (43828349) and next prime (43828373).

It can be written as a sum of positive squares in only one way, i.e., 35331136 + 8497225 = 5944^2 + 2915^2 .

It is a cyclic number.

It is not a de Polignac number, because 43828361 - 2¹⁰ = 43827337 is a prime.

It is a super-3 number, since 3×43828361³ (a number of 24 digits) contains 333 as substring.

It is equal to p_2651588 and since 43828361 and 2651588 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (43828321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21914180 + 21914181.

It is an arithmetic number, because the mean of its divisors is an integer number (21914181).

Almost surely, 2^43828361 is an apocalyptic number.

It is an amenable number.

43828361 is a deficient number, since it is larger than the sum of its proper divisors (1).

43828361 is an equidigital number, since it uses as much as digits as its factorization.

43828361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 35.

The square root of 43828361 is about 6620.2991624246. The cubic root of 43828361 is about 352.5751857462.

The spelling of 43828361 in words is "forty-three million, eight hundred twenty-eight thousand, three hundred sixty-one".