8190407 has 2 divisors, whose sum is σ = 8190408. Its totient is φ = 8190406.

The previous prime is 8190401. The next prime is 8190449. The reversal of 8190407 is 7040918.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8190407 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 8190407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8190401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4095203 + 4095204.

It is an arithmetic number, because the mean of its divisors is an integer number (4095204).

Almost surely, 2^8190407 is an apocalyptic number.

8190407 is a deficient number, since it is larger than the sum of its proper divisors (1).

8190407 is an equidigital number, since it uses as much as digits as its factorization.

8190407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 8190407 is about 2861.8887120222. Note that the first 3 decimals coincide. The cubic root of 8190407 is about 201.5743003768.

The spelling of 8190407 in words is "eight million, one hundred ninety thousand, four hundred seven".