43342401 has 16 divisors (see below), whose sum is σ = 64411200. Its totient is φ = 25763328.

The previous prime is 43342381. The next prime is 43342417. The reversal of 43342401 is 10424334.

It is not a de Polignac number, because 43342401 - 2¹³ = 43334209 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (43342301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21396 + ... + 23333.

It is an arithmetic number, because the mean of its divisors is an integer number (4025700).

Almost surely, 2^43342401 is an apocalyptic number.

It is an amenable number.

43342401 is a deficient number, since it is larger than the sum of its proper divisors (21068799).

43342401 is a wasteful number, since it uses less digits than its factorization.

43342401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44768.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 43342401 is about 6583.4945887424. The cubic root of 43342401 is about 351.2672455998.

Adding to 43342401 its reverse (10424334), we get a palindrome (53766735).

It can be divided in two parts, 4 and 3342401, that added together give a triangular number (3342405 = T₂₅₈₅).

The spelling of 43342401 in words is "forty-three million, three hundred forty-two thousand, four hundred one".