4192091 has 2 divisors, whose sum is σ = 4192092. Its totient is φ = 4192090.

The previous prime is 4192087. The next prime is 4192093. The reversal of 4192091 is 1902914.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4192091 - 2² = 4192087 is a prime.

Together with 4192093, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4192091.

It is not a weakly prime, because it can be changed into another prime (4192093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2096045 + 2096046.

It is an arithmetic number, because the mean of its divisors is an integer number (2096046).

Almost surely, 2^4192091 is an apocalyptic number.

4192091 is a deficient number, since it is larger than the sum of its proper divisors (1).

4192091 is an equidigital number, since it uses as much as digits as its factorization.

4192091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 4192091 is about 2047.4596455120. The cubic root of 4192091 is about 161.2415263059.

The spelling of 4192091 in words is "four million, one hundred ninety-two thousand, ninety-one".