285448494 has 8 divisors (see below), whose sum is σ = 570897000. Its totient is φ = 95149496.

The previous prime is 285448489. The next prime is 285448621. The reversal of 285448494 is 494844582.

It is a happy number.

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

285448494 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23787369 + ... + 23787380.

It is an arithmetic number, because the mean of its divisors is an integer number (71362125).

Almost surely, 2^285448494 is an apocalyptic number.

285448494 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

285448494 is a wasteful number, since it uses less digits than its factorization.

285448494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47574754.

The product of its digits is 1474560, while the sum is 48.

The square root of 285448494 is about 16895.2210402824. The cubic root of 285448494 is about 658.4294566831.

The spelling of 285448494 in words is "two hundred eighty-five million, four hundred forty-eight thousand, four hundred ninety-four".