426069 has 12 divisors (see below), whose sum is σ = 703456. Its totient is φ = 243432.

The previous prime is 426061. The next prime is 426073. The reversal of 426069 is 960624.

It is not a de Polignac number, because 426069 - 2³ = 426061 is a prime.

It is a super-2 number, since 2×426069² = 363069585522, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

426069 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3319 + ... + 3444.

2⁴²⁶⁰⁶⁹ is an apocalyptic number.

It is an amenable number.

426069 is a deficient number, since it is larger than the sum of its proper divisors (277387).

426069 is a wasteful number, since it uses less digits than its factorization.

426069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6776 (or 6773 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 426069 is about 652.7396111774. The cubic root of 426069 is about 75.2477142678.

The spelling of 426069 in words is "four hundred twenty-six thousand, sixty-nine".