285341849 has 4 divisors (see below), whose sum is σ = 307291236. Its totient is φ = 263392464.

The previous prime is 285341839. The next prime is 285341857. The reversal of 285341849 is 948143582.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 69839449 + 215502400 = 8357^2 + 14680^2 .

It is a cyclic number.

It is not a de Polignac number, because 285341849 - 2²⁴ = 268564633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (285341809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10974674 + ... + 10974699.

It is an arithmetic number, because the mean of its divisors is an integer number (76822809).

Almost surely, 2^285341849 is an apocalyptic number.

It is an amenable number.

285341849 is a deficient number, since it is larger than the sum of its proper divisors (21949387).

285341849 is a wasteful number, since it uses less digits than its factorization.

285341849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21949386.

The product of its digits is 276480, while the sum is 44.

The square root of 285341849 is about 16892.0646754623. The cubic root of 285341849 is about 658.3474489451.

The spelling of 285341849 in words is "two hundred eighty-five million, three hundred forty-one thousand, eight hundred forty-nine".