43840201 has 6 divisors (see below), whose sum is σ = 46269402. Its totient is φ = 41532480.

The previous prime is 43840189. The next prime is 43840219. The reversal of 43840201 is 10204834.

It can be written as a sum of positive squares in only one way, i.e., 40513225 + 3326976 = 6365^2 + 1824^2 .

It is not a de Polignac number, because 43840201 - 2⁹ = 43839689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43840241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 60360 + ... + 61081.

It is an arithmetic number, because the mean of its divisors is an integer number (7711567).

Almost surely, 2^43840201 is an apocalyptic number.

It is an amenable number.

43840201 is a deficient number, since it is larger than the sum of its proper divisors (2429201).

43840201 is a wasteful number, since it uses less digits than its factorization.

43840201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121479 (or 121460 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 43840201 is about 6621.1933214489. The cubic root of 43840201 is about 352.6069316618.

The spelling of 43840201 in words is "forty-three million, eight hundred forty thousand, two hundred one".