285478341 has 16 divisors (see below), whose sum is σ = 386104320. Its totient is φ = 187604480.

The previous prime is 285478327. The next prime is 285478343. The reversal of 285478341 is 143874582.

It is a cyclic number.

It is not a de Polignac number, because 285478341 - 2¹⁰ = 285477317 is a prime.

It is a super-2 number, since 2×285478341² = 162995766360224562, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 285478293 and 285478302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285478343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62545 + ... + 66953.

It is an arithmetic number, because the mean of its divisors is an integer number (24131520).

Almost surely, 2^285478341 is an apocalyptic number.

It is an amenable number.

285478341 is a deficient number, since it is larger than the sum of its proper divisors (100625979).

285478341 is a wasteful number, since it uses less digits than its factorization.

285478341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4716.

The product of its digits is 215040, while the sum is 42.

The square root of 285478341 is about 16896.1043143087. The cubic root of 285478341 is about 658.4524047332.

The spelling of 285478341 in words is "two hundred eighty-five million, four hundred seventy-eight thousand, three hundred forty-one".