400905119 has 2 divisors, whose sum is σ = 400905120. Its totient is φ = 400905118.

The previous prime is 400905103. The next prime is 400905173. The reversal of 400905119 is 911509004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 400905119 - 2⁴ = 400905103 is a prime.

It is a super-2 number, since 2×400905119² = 321449828880808322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 400905091 and 400905100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (400905419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200452559 + 200452560.

It is an arithmetic number, because the mean of its divisors is an integer number (200452560).

Almost surely, 2^400905119 is an apocalyptic number.

400905119 is a deficient number, since it is larger than the sum of its proper divisors (1).

400905119 is an equidigital number, since it uses as much as digits as its factorization.

400905119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 29.

The square root of 400905119 is about 20022.6151888309. The cubic root of 400905119 is about 737.3616288903.

The spelling of 400905119 in words is "four hundred million, nine hundred five thousand, one hundred nineteen".