43198001 has 16 divisors (see below), whose sum is σ = 56693760. Its totient is φ = 31888080.

The previous prime is 43197997. The next prime is 43198027. The reversal of 43198001 is 10089134.

It is not a de Polignac number, because 43198001 - 2² = 43197997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43198031) 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 15 ways as a sum of consecutive naturals, for example, 13301 + ... + 16226.

It is an arithmetic number, because the mean of its divisors is an integer number (3543360).

Almost surely, 2^43198001 is an apocalyptic number.

It is an amenable number.

43198001 is a deficient number, since it is larger than the sum of its proper divisors (13495759).

43198001 is a wasteful number, since it uses less digits than its factorization.

43198001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29564.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 43198001 is about 6572.5186192205. The cubic root of 43198001 is about 350.8767163618.

The spelling of 43198001 in words is "forty-three million, one hundred ninety-eight thousand, one".