43314381 has 12 divisors (see below), whose sum is σ = 68253120. Its totient is φ = 26251080.

The previous prime is 43314379. The next prime is 43314389. The reversal of 43314381 is 18341334.

It is not a de Polignac number, because 43314381 - 2¹ = 43314379 is a prime.

It is a super-2 number, since 2×43314381² = 3752271202826322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43314389) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 218661 + ... + 218858.

It is an arithmetic number, because the mean of its divisors is an integer number (5687760).

Almost surely, 2^43314381 is an apocalyptic number.

It is an amenable number.

43314381 is a deficient number, since it is larger than the sum of its proper divisors (24938739).

43314381 is a wasteful number, since it uses less digits than its factorization.

43314381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437536 (or 437533 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 43314381 is about 6581.3661955554. The cubic root of 43314381 is about 351.1915335200.

The spelling of 43314381 in words is "forty-three million, three hundred fourteen thousand, three hundred eighty-one".