285633914 has 4 divisors (see below), whose sum is σ = 428450874. Its totient is φ = 142816956.

The previous prime is 285633913. The next prime is 285633937. The reversal of 285633914 is 419336582.

285633914 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 279993289 + 5640625 = 16733^2 + 2375^2 .

It is not an unprimeable number, because it can be changed into a prime (285633911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71408477 + ... + 71408480.

Almost surely, 2^285633914 is an apocalyptic number.

285633914 is a deficient number, since it is larger than the sum of its proper divisors (142816960).

285633914 is a wasteful number, since it uses less digits than its factorization.

285633914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142816959.

The product of its digits is 155520, while the sum is 41.

The square root of 285633914 is about 16900.7074999835. The cubic root of 285633914 is about 658.5719921052.

The spelling of 285633914 in words is "two hundred eighty-five million, six hundred thirty-three thousand, nine hundred fourteen".