407607869 has 2 divisors, whose sum is σ = 407607870. Its totient is φ = 407607868.

The previous prime is 407607859. The next prime is 407607883. The reversal of 407607869 is 968706704.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 385611769 + 21996100 = 19637^2 + 4690^2 .

It is a cyclic number.

It is not a de Polignac number, because 407607869 - 2²⁴ = 390830653 is a prime.

It is a super-2 number, since 2×407607869² = 332288349741442322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (407607859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203803934 + 203803935.

It is an arithmetic number, because the mean of its divisors is an integer number (203803935).

Almost surely, 2^407607869 is an apocalyptic number.

It is an amenable number.

407607869 is a deficient number, since it is larger than the sum of its proper divisors (1).

407607869 is an equidigital number, since it uses as much as digits as its factorization.

407607869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 508032, while the sum is 47.

The square root of 407607869 is about 20189.3008546606. The cubic root of 407607869 is about 741.4482648991.

The spelling of 407607869 in words is "four hundred seven million, six hundred seven thousand, eight hundred sixty-nine".