427899 has 8 divisors (see below), whose sum is σ = 600640. Its totient is φ = 270216.

The previous prime is 427883. The next prime is 427913. The reversal of 427899 is 998724.

427899 is nontrivially palindromic in base 7.

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

It is not a de Polignac number, because 427899 - 2⁴ = 427883 is a prime.

It is a Duffinian number.

427899 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (427849) 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, 3697 + ... + 3810.

It is an arithmetic number, because the mean of its divisors is an integer number (75080).

2⁴²⁷⁸⁹⁹ is an apocalyptic number.

427899 is a deficient number, since it is larger than the sum of its proper divisors (172741).

427899 is a wasteful number, since it uses less digits than its factorization.

427899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7529.

The product of its digits is 36288, while the sum is 39.

The square root of 427899 is about 654.1398932950. The cubic root of 427899 is about 75.3552920211.

It can be divided in two parts, 427 and 899, that added together give a triangular number (1326 = T₅₁).

The spelling of 427899 in words is "four hundred twenty-seven thousand, eight hundred ninety-nine".