43402117 has 4 divisors (see below), whose sum is σ = 47347776. Its totient is φ = 39456460.

The previous prime is 43402109. The next prime is 43402133. The reversal of 43402117 is 71120434.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 43402117 - 2³ = 43402109 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 (43402157) 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 3 ways as a sum of consecutive naturals, for example, 1972813 + ... + 1972834.

It is an arithmetic number, because the mean of its divisors is an integer number (11836944).

Almost surely, 2^43402117 is an apocalyptic number.

It is an amenable number.

43402117 is a deficient number, since it is larger than the sum of its proper divisors (3945659).

43402117 is a wasteful number, since it uses less digits than its factorization.

43402117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3945658.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 43402117 is about 6588.0283089859. The cubic root of 43402117 is about 351.4284937710.

The spelling of 43402117 in words is "forty-three million, four hundred two thousand, one hundred seventeen".