286361481 has 16 divisors (see below), whose sum is σ = 462029184. Its totient is φ = 154009344.

The previous prime is 286361473. The next prime is 286361489. The reversal of 286361481 is 184163682.

It is an interprime number because it is at equal distance from previous prime (286361473) and next prime (286361489).

It is not a de Polignac number, because 286361481 - 2³ = 286361473 is a prime.

It is a super-2 number, since 2×286361481² = 164005795601026722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (286361489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 400710 + ... + 401423.

It is an arithmetic number, because the mean of its divisors is an integer number (28876824).

Almost surely, 2^286361481 is an apocalyptic number.

286361481 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

286361481 is a deficient number, since it is larger than the sum of its proper divisors (175667703).

286361481 is a wasteful number, since it uses less digits than its factorization.

286361481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802160.

The product of its digits is 55296, while the sum is 39.

The square root of 286361481 is about 16922.2185602243. The cubic root of 286361481 is about 659.1306897539.

The spelling of 286361481 in words is "two hundred eighty-six million, three hundred sixty-one thousand, four hundred eighty-one".