285340674 has 16 divisors (see below), whose sum is σ = 572806080. Its totient is φ = 94759440.

The previous prime is 285340673. The next prime is 285340681. The reversal of 285340674 is 476043582.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (285340673) 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, 86782 + ... + 90009.

It is an arithmetic number, because the mean of its divisors is an integer number (35800380).

Almost surely, 2^285340674 is an apocalyptic number.

285340674 is an abundant number, since it is smaller than the sum of its proper divisors (287465406).

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

285340674 is a wasteful number, since it uses less digits than its factorization.

285340674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177065.

The product of its (nonzero) digits is 161280, while the sum is 39.

The square root of 285340674 is about 16892.0298957822. The cubic root of 285340674 is about 658.3465452813.

The spelling of 285340674 in words is "two hundred eighty-five million, three hundred forty thousand, six hundred seventy-four".