286479149 has 4 divisors (see below), whose sum is σ = 312522720. Its totient is φ = 260435580.

The previous prime is 286479143. The next prime is 286479157. The reversal of 286479149 is 941974682.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 286479149 - 2²⁰ = 285430573 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 286479097 and 286479106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (286479143) 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, 13021769 + ... + 13021790.

It is an arithmetic number, because the mean of its divisors is an integer number (78130680).

Almost surely, 2^286479149 is an apocalyptic number.

It is an amenable number.

286479149 is a deficient number, since it is larger than the sum of its proper divisors (26043571).

286479149 is a wasteful number, since it uses less digits than its factorization.

286479149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26043570.

The product of its digits is 870912, while the sum is 50.

The square root of 286479149 is about 16925.6949340345. The cubic root of 286479149 is about 659.2209579108.

The spelling of 286479149 in words is "two hundred eighty-six million, four hundred seventy-nine thousand, one hundred forty-nine".