427898 has 4 divisors (see below), whose sum is σ = 641850. Its totient is φ = 213948.

The previous prime is 427883. The next prime is 427913. The reversal of 427898 is 898724.

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

It is an interprime number because it is at equal distance from previous prime (427883) and next prime (427913).

It can be written as a sum of positive squares in only one way, i.e., 310249 + 117649 = 557^2 + 343^2 .

It is an unprimeable number.

427898 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106973 + ... + 106976.

2⁴²⁷⁸⁹⁸ is an apocalyptic number.

427898 is a deficient number, since it is larger than the sum of its proper divisors (213952).

427898 is a wasteful number, since it uses less digits than its factorization.

427898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213951.

The product of its digits is 32256, while the sum is 38.

The square root of 427898 is about 654.1391289321. The cubic root of 427898 is about 75.3552333193.

The spelling of 427898 in words is "four hundred twenty-seven thousand, eight hundred ninety-eight".