407000669 has 2 divisors, whose sum is σ = 407000670. Its totient is φ = 407000668.

The previous prime is 407000639. The next prime is 407000687. The reversal of 407000669 is 966000704.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 325369444 + 81631225 = 18038^2 + 9035^2 .

It is a cyclic number.

It is not a de Polignac number, because 407000669 - 2²⁸ = 138565213 is a prime.

It is a super-2 number, since 2×407000669² = 331299089132895122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (407000639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203500334 + 203500335.

It is an arithmetic number, because the mean of its divisors is an integer number (203500335).

Almost surely, 2^407000669 is an apocalyptic number.

It is an amenable number.

407000669 is a deficient number, since it is larger than the sum of its proper divisors (1).

407000669 is an equidigital number, since it uses as much as digits as its factorization.

407000669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 407000669 is about 20174.2575823746. The cubic root of 407000669 is about 741.0799115879.

The spelling of 407000669 in words is "four hundred seven million, six hundred sixty-nine", and thus it is an aban number.