420467 has 2 divisors, whose sum is σ = 420468. Its totient is φ = 420466.

The previous prime is 420457. The next prime is 420479. The reversal of 420467 is 764024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 420467 - 2¹⁰ = 419443 is a prime.

It is not a weakly prime, because it can be changed into another prime (420457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210233 + 210234.

It is an arithmetic number, because the mean of its divisors is an integer number (210234).

2⁴²⁰⁴⁶⁷ is an apocalyptic number.

420467 is a deficient number, since it is larger than the sum of its proper divisors (1).

420467 is an equidigital number, since it uses as much as digits as its factorization.

420467 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 420467 is about 648.4342680642. The cubic root of 420467 is about 74.9164699673.

The spelling of 420467 in words is "four hundred twenty thousand, four hundred sixty-seven".