285332479 has 8 divisors (see below), whose sum is σ = 295362000. Its totient is φ = 275315712.

The previous prime is 285332473. The next prime is 285332491. The reversal of 285332479 is 974233582.

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

It is a cyclic number.

It is not a de Polignac number, because 285332479 - 2¹³ = 285324287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285332473) 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, 76152 + ... + 79810.

It is an arithmetic number, because the mean of its divisors is an integer number (36920250).

Almost surely, 2^285332479 is an apocalyptic number.

285332479 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

285332479 is a deficient number, since it is larger than the sum of its proper divisors (10029521).

285332479 is a wasteful number, since it uses less digits than its factorization.

285332479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6377.

The product of its digits is 362880, while the sum is 43.

The square root of 285332479 is about 16891.7873240223. The cubic root of 285332479 is about 658.3402426379.

The spelling of 285332479 in words is "two hundred eighty-five million, three hundred thirty-two thousand, four hundred seventy-nine".