689467 has 2 divisors, whose sum is σ = 689468. Its totient is φ = 689466.

The previous prime is 689461. The next prime is 689509. The reversal of 689467 is 764986.

689467 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 689467 - 2³ = 689459 is a prime.

It is not a weakly prime, because it can be changed into another prime (689461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 344733 + 344734.

It is an arithmetic number, because the mean of its divisors is an integer number (344734).

2⁶⁸⁹⁴⁶⁷ is an apocalyptic number.

689467 is a deficient number, since it is larger than the sum of its proper divisors (1).

689467 is an equidigital number, since it uses as much as digits as its factorization.

689467 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 40.

The square root of 689467 is about 830.3414960123. The cubic root of 689467 is about 88.3428002986.

It can be divided in two parts, 689 and 467, that added together give a square (1156 = 34²).

The spelling of 689467 in words is "six hundred eighty-nine thousand, four hundred sixty-seven".