286420047 has 8 divisors (see below), whose sum is σ = 382125744. Its totient is φ = 190830528.

The previous prime is 286420019. The next prime is 286420087. The reversal of 286420047 is 740024682.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 286420047 - 2¹² = 286415951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (286420087) 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 7 ways as a sum of consecutive naturals, for example, 23118 + ... + 33275.

It is an arithmetic number, because the mean of its divisors is an integer number (47765718).

Almost surely, 2^286420047 is an apocalyptic number.

286420047 is a deficient number, since it is larger than the sum of its proper divisors (95705697).

286420047 is a wasteful number, since it uses less digits than its factorization.

286420047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58089.

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 286420047 is about 16923.9489186183. The cubic root of 286420047 is about 659.1756213283.

The spelling of 286420047 in words is "two hundred eighty-six million, four hundred twenty thousand, forty-seven".