426867 has 8 divisors (see below), whose sum is σ = 650496. Its totient is φ = 243912.

The previous prime is 426863. The next prime is 426871. The reversal of 426867 is 768624.

It is an interprime number because it is at equal distance from previous prime (426863) and next prime (426871).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 426867 - 2² = 426863 is a prime.

It is a super-3 number, since 3×426867³ = 233345269158769089, which contains 333 as substring.

426867 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (426863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10143 + ... + 10184.

It is an arithmetic number, because the mean of its divisors is an integer number (81312).

2⁴²⁶⁸⁶⁷ is an apocalyptic number.

426867 is a deficient number, since it is larger than the sum of its proper divisors (223629).

426867 is a wasteful number, since it uses less digits than its factorization.

426867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20337.

The product of its digits is 16128, while the sum is 33.

The square root of 426867 is about 653.3505950101. The cubic root of 426867 is about 75.2946630221.

The spelling of 426867 in words is "four hundred twenty-six thousand, eight hundred sixty-seven".