421486207 has 2 divisors, whose sum is σ = 421486208. Its totient is φ = 421486206.

The previous prime is 421486189. The next prime is 421486211. The reversal of 421486207 is 702684124.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 421486207 - 2²⁷ = 287268479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (421486297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210743103 + 210743104.

It is an arithmetic number, because the mean of its divisors is an integer number (210743104).

Almost surely, 2^421486207 is an apocalyptic number.

421486207 is a deficient number, since it is larger than the sum of its proper divisors (1).

421486207 is an equidigital number, since it uses as much as digits as its factorization.

421486207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 421486207 is about 20530.1292494714. The cubic root of 421486207 is about 749.7695333356.

The spelling of 421486207 in words is "four hundred twenty-one million, four hundred eighty-six thousand, two hundred seven".