400608067 has 2 divisors, whose sum is σ = 400608068. Its totient is φ = 400608066.

The previous prime is 400608037. The next prime is 400608101. The reversal of 400608067 is 760806004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 400608067 - 2¹⁵ = 400575299 is a prime.

It is not a weakly prime, because it can be changed into another prime (400608017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200304033 + 200304034.

It is an arithmetic number, because the mean of its divisors is an integer number (200304034).

Almost surely, 2^400608067 is an apocalyptic number.

400608067 is a deficient number, since it is larger than the sum of its proper divisors (1).

400608067 is an equidigital number, since it uses as much as digits as its factorization.

400608067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 400608067 is about 20015.1959021140. The cubic root of 400608067 is about 737.1794670299.

The spelling of 400608067 in words is "four hundred million, six hundred eight thousand, sixty-seven".