43200091 has 8 divisors (see below), whose sum is σ = 49608000. Its totient is φ = 37205640.

The previous prime is 43200083. The next prime is 43200103. The reversal of 43200091 is 19000234.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43200091 - 2³ = 43200083 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43200011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103141 + ... + 103558.

It is an arithmetic number, because the mean of its divisors is an integer number (6201000).

Almost surely, 2^43200091 is an apocalyptic number.

43200091 is a deficient number, since it is larger than the sum of its proper divisors (6407909).

43200091 is a wasteful number, since it uses less digits than its factorization.

43200091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206729.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 43200091 is about 6572.6776126629. The cubic root of 43200091 is about 350.8823749609.

The spelling of 43200091 in words is "forty-three million, two hundred thousand, ninety-one".