43248381 has 16 divisors (see below), whose sum is σ = 63095808. Its totient is φ = 26132400.

The previous prime is 43248341. The next prime is 43248383. The reversal of 43248381 is 18384234.

It is not a de Polignac number, because 43248381 - 2¹⁴ = 43231997 is a prime.

It is a super-2 number, since 2×43248381² = 3740844918242322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43248383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10326 + ... + 13896.

It is an arithmetic number, because the mean of its divisors is an integer number (3943488).

Almost surely, 2^43248381 is an apocalyptic number.

It is an amenable number.

43248381 is a deficient number, since it is larger than the sum of its proper divisors (19847427).

43248381 is a wasteful number, since it uses less digits than its factorization.

43248381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3952.

The product of its digits is 18432, while the sum is 33.

The square root of 43248381 is about 6576.3501275404. The cubic root of 43248381 is about 351.0130675892.

The spelling of 43248381 in words is "forty-three million, two hundred forty-eight thousand, three hundred eighty-one".