43821152 has 12 divisors (see below), whose sum is σ = 86272956. Its totient is φ = 21910560.

The previous prime is 43821143. The next prime is 43821181. The reversal of 43821152 is 25112834.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 684674 + ... + 684737.

It is an arithmetic number, because the mean of its divisors is an integer number (7189413).

Almost surely, 2^43821152 is an apocalyptic number.

It is an amenable number.

43821152 is a deficient number, since it is larger than the sum of its proper divisors (42451804).

43821152 is a wasteful number, since it uses less digits than its factorization.

43821152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1369421 (or 1369413 counting only the distinct ones).

The product of its digits is 1920, while the sum is 26.

The square root of 43821152 is about 6619.7546782339. The cubic root of 43821152 is about 352.5558538659. Note that the first 3 decimals are identical.

Adding to 43821152 its reverse (25112834), we get a palindrome (68933986).

The spelling of 43821152 in words is "forty-three million, eight hundred twenty-one thousand, one hundred fifty-two".