427995 has 12 divisors (see below), whose sum is σ = 741936. Its totient is φ = 228240.

The previous prime is 427993. The next prime is 427997. The reversal of 427995 is 599724.

It is an interprime number because it is at equal distance from previous prime (427993) and next prime (427997).

It is not a de Polignac number, because 427995 - 2¹ = 427993 is a prime.

427995 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (427991) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4711 + ... + 4800.

It is an arithmetic number, because the mean of its divisors is an integer number (61828).

2⁴²⁷⁹⁹⁵ is an apocalyptic number.

427995 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

427995 is a deficient number, since it is larger than the sum of its proper divisors (313941).

427995 is a wasteful number, since it uses less digits than its factorization.

427995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9522 (or 9519 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 427995 is about 654.2132679792. The cubic root of 427995 is about 75.3609269701.

It can be divided in two parts, 42 and 7995, that multiplied together give a triangular number (335790 = T₈₁₉).

The spelling of 427995 in words is "four hundred twenty-seven thousand, nine hundred ninety-five".