43838971 has 16 divisors (see below), whose sum is σ = 51408000. Its totient is φ = 36938880.

The previous prime is 43838941. The next prime is 43838983. The reversal of 43838971 is 17983834.

It is a happy number.

It is not a de Polignac number, because 43838971 - 2⁷ = 43838843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43838911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10780 + ... + 14278.

It is an arithmetic number, because the mean of its divisors is an integer number (3213000).

Almost surely, 2^43838971 is an apocalyptic number.

43838971 is a deficient number, since it is larger than the sum of its proper divisors (7569029).

43838971 is a wasteful number, since it uses less digits than its factorization.

43838971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3594.

The product of its digits is 145152, while the sum is 43.

The square root of 43838971 is about 6621.1004372385. The cubic root of 43838971 is about 352.6036339992.

The spelling of 43838971 in words is "forty-three million, eight hundred thirty-eight thousand, nine hundred seventy-one".