43869047 has 4 divisors (see below), whose sum is σ = 44303496. Its totient is φ = 43434600.

The previous prime is 43869041. The next prime is 43869053. The reversal of 43869047 is 74096834.

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

It is an interprime number because it is at equal distance from previous prime (43869041) and next prime (43869053).

It is a cyclic number.

It is not a de Polignac number, because 43869047 - 2⁴ = 43869031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43868995 and 43869013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43869041) 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, 217073 + ... + 217274.

It is an arithmetic number, because the mean of its divisors is an integer number (11075874).

Almost surely, 2^43869047 is an apocalyptic number.

43869047 is a deficient number, since it is larger than the sum of its proper divisors (434449).

43869047 is a wasteful number, since it uses less digits than its factorization.

43869047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434448.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 43869047 is about 6623.3712714901. The cubic root of 43869047 is about 352.6842508749.

The spelling of 43869047 in words is "forty-three million, eight hundred sixty-nine thousand, forty-seven".