427106 has 4 divisors (see below), whose sum is σ = 640662. Its totient is φ = 213552.

The previous prime is 427103. The next prime is 427117. The reversal of 427106 is 601724.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 390625 + 36481 = 625^2 + 191^2 .

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427103) 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 as a sum of consecutive naturals, namely, 106775 + ... + 106778.

2⁴²⁷¹⁰⁶ is an apocalyptic number.

427106 is a deficient number, since it is larger than the sum of its proper divisors (213556).

427106 is a wasteful number, since it uses less digits than its factorization.

427106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213555.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 427106 is about 653.5334727464. The cubic root of 427106 is about 75.3087127277.

The spelling of 427106 in words is "four hundred twenty-seven thousand, one hundred six".