286493401 has 4 divisors (see below), whose sum is σ = 303345972. Its totient is φ = 269640832.

The previous prime is 286493387. The next prime is 286493483. The reversal of 286493401 is 104394682.

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 174874176 + 111619225 = 13224^2 + 10565^2 .

It is a cyclic number.

It is not a de Polignac number, because 286493401 - 2⁵ = 286493369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (286493491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8426260 + ... + 8426293.

It is an arithmetic number, because the mean of its divisors is an integer number (75836493).

Almost surely, 2^286493401 is an apocalyptic number.

It is an amenable number.

286493401 is a deficient number, since it is larger than the sum of its proper divisors (16852571).

286493401 is a wasteful number, since it uses less digits than its factorization.

286493401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16852570.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 286493401 is about 16926.1159454850. The cubic root of 286493401 is about 659.2318895514.

The spelling of 286493401 in words is "two hundred eighty-six million, four hundred ninety-three thousand, four hundred one".