286772647 has 12 divisors (see below), whose sum is σ = 336035520. Its totient is φ = 244005216.

The previous prime is 286772641. The next prime is 286772653. The reversal of 286772647 is 746277682.

It is an interprime number because it is at equal distance from previous prime (286772641) and next prime (286772653).

It is not a de Polignac number, because 286772647 - 2³ = 286772639 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 286772647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (286772641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14647 + ... + 28072.

It is an arithmetic number, because the mean of its divisors is an integer number (28002960).

Almost surely, 2^286772647 is an apocalyptic number.

286772647 is a deficient number, since it is larger than the sum of its proper divisors (49262873).

286772647 is a wasteful number, since it uses less digits than its factorization.

286772647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42870 (or 42863 counting only the distinct ones).

The product of its digits is 1580544, while the sum is 49.

The square root of 286772647 is about 16934.3629050520. The cubic root of 286772647 is about 659.4460051175.

The spelling of 286772647 in words is "two hundred eighty-six million, seven hundred seventy-two thousand, six hundred forty-seven".