427906 has 4 divisors (see below), whose sum is σ = 641862. Its totient is φ = 213952.

The previous prime is 427883. The next prime is 427913. The reversal of 427906 is 609724.

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., 416025 + 11881 = 645^2 + 109^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106975 + ... + 106978.

2⁴²⁷⁹⁰⁶ is an apocalyptic number.

427906 is a deficient number, since it is larger than the sum of its proper divisors (213956).

427906 is a wasteful number, since it uses less digits than its factorization.

427906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213955.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 427906 is about 654.1452438106. The cubic root of 427906 is about 75.3557029313.

The spelling of 427906 in words is "four hundred twenty-seven thousand, nine hundred six".