43198867 has 2 divisors, whose sum is σ = 43198868. Its totient is φ = 43198866.

The previous prime is 43198849. The next prime is 43198879. The reversal of 43198867 is 76889134.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43198867 - 2¹¹ = 43196819 is a prime.

It is a super-2 number, since 2×43198867² = 3732284220167378, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (43198847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21599433 + 21599434.

It is an arithmetic number, because the mean of its divisors is an integer number (21599434).

Almost surely, 2^43198867 is an apocalyptic number.

43198867 is a deficient number, since it is larger than the sum of its proper divisors (1).

43198867 is an equidigital number, since it uses as much as digits as its factorization.

43198867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 46.

The square root of 43198867 is about 6572.5844992666. The cubic root of 43198867 is about 350.8790610475.

The spelling of 43198867 in words is "forty-three million, one hundred ninety-eight thousand, eight hundred sixty-seven".