43848369 has 6 divisors (see below), whose sum is σ = 63336546. Its totient is φ = 29232240.

The previous prime is 43848361. The next prime is 43848383. The reversal of 43848369 is 96384834.

It can be written as a sum of positive squares in only one way, i.e., 43560000 + 288369 = 6600^2 + 537^2 .

It is not a de Polignac number, because 43848369 - 2³ = 43848361 is a prime.

It is a super-2 number, since 2×43848369² = 3845358927920322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (43848361) 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, 2436012 + ... + 2436029.

It is an arithmetic number, because the mean of its divisors is an integer number (10556091).

Almost surely, 2^43848369 is an apocalyptic number.

It is an amenable number.

43848369 is a deficient number, since it is larger than the sum of its proper divisors (19488177).

43848369 is a wasteful number, since it uses less digits than its factorization.

43848369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4872047 (or 4872044 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 43848369 is about 6621.8100999651. The cubic root of 43848369 is about 352.6288287221.

It can be divided in two parts, 4384836 and 9, that multiplied together give a square (39463524 = 6282²).

The spelling of 43848369 in words is "forty-three million, eight hundred forty-eight thousand, three hundred sixty-nine".