43961379 has 48 divisors (see below), whose sum is σ = 76870656. Its totient is φ = 22075200.

The previous prime is 43961377. The next prime is 43961399. The reversal of 43961379 is 97316934.

43961379 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 43961379 - 2¹ = 43961377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43961379.

It is not an unprimeable number, because it can be changed into a prime (43961377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 49689 + ... + 50565.

It is an arithmetic number, because the mean of its divisors is an integer number (1601472).

Almost surely, 2^43961379 is an apocalyptic number.

43961379 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

43961379 is a deficient number, since it is larger than the sum of its proper divisors (32909277).

43961379 is a wasteful number, since it uses less digits than its factorization.

43961379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936 (or 929 counting only the distinct ones).

The product of its digits is 122472, while the sum is 42.

The square root of 43961379 is about 6630.3377742013. The cubic root of 43961379 is about 352.9315111879.

It can be divided in two parts, 4396 and 1379, that added together give a palindrome (5775).

The spelling of 43961379 in words is "forty-three million, nine hundred sixty-one thousand, three hundred seventy-nine".