285982494 has 32 divisors (see below), whose sum is σ = 657469440. Its totient is φ = 81234912.

The previous prime is 285982493. The next prime is 285982507. The reversal of 285982494 is 494289582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285982493) 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, 12414 + ... + 26945.

It is an arithmetic number, because the mean of its divisors is an integer number (20545920).

Almost surely, 2^285982494 is an apocalyptic number.

285982494 is an abundant number, since it is smaller than the sum of its proper divisors (371486946).

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

285982494 is a wasteful number, since it uses less digits than its factorization.

285982494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39544.

The product of its digits is 1658880, while the sum is 51.

The square root of 285982494 is about 16911.0169416271. The cubic root of 285982494 is about 658.8397844226.

The spelling of 285982494 in words is "two hundred eighty-five million, nine hundred eighty-two thousand, four hundred ninety-four".