43408607 has 4 divisors (see below), whose sum is σ = 47354856. Its totient is φ = 39462360.

The previous prime is 43408591. The next prime is 43408609. The reversal of 43408607 is 70680434.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 43408607 - 2⁴ = 43408591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43408609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1973108 + ... + 1973129.

It is an arithmetic number, because the mean of its divisors is an integer number (11838714).

Almost surely, 2^43408607 is an apocalyptic number.

43408607 is a deficient number, since it is larger than the sum of its proper divisors (3946249).

43408607 is a wasteful number, since it uses less digits than its factorization.

43408607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3946248.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 43408607 is about 6588.5208506918. The cubic root of 43408607 is about 351.4460094854.

The spelling of 43408607 in words is "forty-three million, four hundred eight thousand, six hundred seven".