285395427 has 8 divisors (see below), whose sum is σ = 422808080. Its totient is φ = 190263600.

The previous prime is 285395413. The next prime is 285395441. The reversal of 285395427 is 724593582.

It is an interprime number because it is at equal distance from previous prime (285395413) and next prime (285395441).

It is not a de Polignac number, because 285395427 - 2¹⁴ = 285379043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (285395927) 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, 5285074 + ... + 5285127.

It is an arithmetic number, because the mean of its divisors is an integer number (52851010).

Almost surely, 2^285395427 is an apocalyptic number.

285395427 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

285395427 is a deficient number, since it is larger than the sum of its proper divisors (137412653).

285395427 is a wasteful number, since it uses less digits than its factorization.

285395427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10570210 (or 10570204 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 285395427 is about 16893.6504936026. The cubic root of 285395427 is about 658.3886518418.

The spelling of 285395427 in words is "two hundred eighty-five million, three hundred ninety-five thousand, four hundred twenty-seven".