10399811 has 2 divisors, whose sum is σ = 10399812. Its totient is φ = 10399810.

The previous prime is 10399793. The next prime is 10399843. The reversal of 10399811 is 11899301.

10399811 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (10399843) can be obtained adding 10399811 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10399811 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10390811) 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 as a sum of consecutive naturals, namely, 5199905 + 5199906.

It is an arithmetic number, because the mean of its divisors is an integer number (5199906).

Almost surely, 2^10399811 is an apocalyptic number.

10399811 is a deficient number, since it is larger than the sum of its proper divisors (1).

10399811 is an equidigital number, since it uses as much as digits as its factorization.

10399811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 32.

The square root of 10399811 is about 3224.8737959802. The cubic root of 10399811 is about 218.2772543398.

The spelling of 10399811 in words is "ten million, three hundred ninety-nine thousand, eight hundred eleven".