190106843 has 2 divisors, whose sum is σ = 190106844. Its totient is φ = 190106842.

The previous prime is 190106821. The next prime is 190106857. The reversal of 190106843 is 348601091.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 190106843 - 2¹⁰ = 190105819 is a prime.

It is a super-2 number, since 2×190106843² = 72281223510853298, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (190106893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95053421 + 95053422.

It is an arithmetic number, because the mean of its divisors is an integer number (95053422).

Almost surely, 2^190106843 is an apocalyptic number.

190106843 is a deficient number, since it is larger than the sum of its proper divisors (1).

190106843 is an equidigital number, since it uses as much as digits as its factorization.

190106843 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 190106843 is about 13787.9238103494. The cubic root of 190106843 is about 574.9974472476.

The spelling of 190106843 in words is "one hundred ninety million, one hundred six thousand, eight hundred forty-three".