426699 has 24 divisors (see below), whose sum is σ = 760032. Its totient is φ = 224640.

The previous prime is 426697. The next prime is 426707. The reversal of 426699 is 996624.

It is not a de Polignac number, because 426699 - 2¹ = 426697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (426691) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 559 + ... + 1079.

It is an arithmetic number, because the mean of its divisors is an integer number (31668).

2⁴²⁶⁶⁹⁹ is an apocalyptic number.

426699 is a deficient number, since it is larger than the sum of its proper divisors (333333).

426699 is a wasteful number, since it uses less digits than its factorization.

426699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547 (or 544 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 426699 is about 653.2220143259. Note that the first 3 decimals coincide. The cubic root of 426699 is about 75.2847839394.

The spelling of 426699 in words is "four hundred twenty-six thousand, six hundred ninety-nine".