407890463 has 2 divisors, whose sum is σ = 407890464. Its totient is φ = 407890462.

The previous prime is 407890421. The next prime is 407890517. The reversal of 407890463 is 364098704.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 407890463 - 2⁸ = 407890207 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 407890463.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (407890363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203945231 + 203945232.

It is an arithmetic number, because the mean of its divisors is an integer number (203945232).

Almost surely, 2^407890463 is an apocalyptic number.

407890463 is a deficient number, since it is larger than the sum of its proper divisors (1).

407890463 is an equidigital number, since it uses as much as digits as its factorization.

407890463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 407890463 is about 20196.2982499269. The cubic root of 407890463 is about 741.6195736851.

The spelling of 407890463 in words is "four hundred seven million, eight hundred ninety thousand, four hundred sixty-three".