43381429 has 8 divisors (see below), whose sum is σ = 53392640. Its totient is φ = 34323696.

The previous prime is 43381421. The next prime is 43381441. The reversal of 43381429 is 92418334.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43381429 - 2³ = 43381421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43381394 and 43381403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43381421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238269 + ... + 238450.

It is an arithmetic number, because the mean of its divisors is an integer number (6674080).

Almost surely, 2^43381429 is an apocalyptic number.

It is an amenable number.

43381429 is a deficient number, since it is larger than the sum of its proper divisors (10011211).

43381429 is a wasteful number, since it uses less digits than its factorization.

43381429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476739.

The product of its digits is 20736, while the sum is 34.

The square root of 43381429 is about 6586.4580010807. The cubic root of 43381429 is about 351.3726477382.

The spelling of 43381429 in words is "forty-three million, three hundred eighty-one thousand, four hundred twenty-nine".