285494673 has 8 divisors (see below), whose sum is σ = 389512288. Its totient is φ = 185903424.

The previous prime is 285494659. The next prime is 285494681. The reversal of 285494673 is 376494582.

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

It is not a de Polignac number, because 285494673 - 2¹² = 285490577 is a prime.

It is a super-2 number, since 2×285494673² = 163014416622753858, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (285494773) 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, 1106440 + ... + 1106697.

It is an arithmetic number, because the mean of its divisors is an integer number (48689036).

Almost surely, 2^285494673 is an apocalyptic number.

It is an amenable number.

285494673 is a deficient number, since it is larger than the sum of its proper divisors (104017615).

285494673 is a wasteful number, since it uses less digits than its factorization.

285494673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2213183.

The product of its digits is 1451520, while the sum is 48.

The square root of 285494673 is about 16896.5876140717. The cubic root of 285494673 is about 658.4649610152.

Subtracting 285494673 from its reverse (376494582), we obtain a palindrome (90999909).

The spelling of 285494673 in words is "two hundred eighty-five million, four hundred ninety-four thousand, six hundred seventy-three".