286478061 has 16 divisors (see below), whose sum is σ = 387984960. Its totient is φ = 187989120.

The previous prime is 286478047. The next prime is 286478063. The reversal of 286478061 is 160874682.

It is not a de Polignac number, because 286478061 - 2²¹ = 284380909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (286478063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143770 + ... + 145748.

It is an arithmetic number, because the mean of its divisors is an integer number (24249060).

Almost surely, 2^286478061 is an apocalyptic number.

It is an amenable number.

286478061 is a deficient number, since it is larger than the sum of its proper divisors (101506899).

286478061 is a wasteful number, since it uses less digits than its factorization.

286478061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2716.

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 286478061 is about 16925.6627935216. The cubic root of 286478061 is about 659.2201233726.

The spelling of 286478061 in words is "two hundred eighty-six million, four hundred seventy-eight thousand, sixty-one".