426662 has 8 divisors (see below), whose sum is σ = 642816. Its totient is φ = 212392.

The previous prime is 426661. The next prime is 426691. The reversal of 426662 is 266624.

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

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 488 + ... + 1044.

It is an arithmetic number, because the mean of its divisors is an integer number (80352).

2⁴²⁶⁶⁶² is an apocalyptic number.

426662 is a deficient number, since it is larger than the sum of its proper divisors (216154).

426662 is a wasteful number, since it uses less digits than its factorization.

426662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942.

The product of its digits is 3456, while the sum is 26.

The square root of 426662 is about 653.1936925599. The cubic root of 426662 is about 75.2826078406.

The spelling of 426662 in words is "four hundred twenty-six thousand, six hundred sixty-two".