84036287 has 24 divisors (see below), whose sum is σ = 95194560. Its totient is φ = 74027520.

The previous prime is 84036283. The next prime is 84036299. The reversal of 84036287 is 78263048.

It is not a de Polignac number, because 84036287 - 2² = 84036283 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84036287.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84036283) 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 23 ways as a sum of consecutive naturals, for example, 309962 + ... + 310232.

It is an arithmetic number, because the mean of its divisors is an integer number (3966440).

Almost surely, 2^84036287 is an apocalyptic number.

84036287 is a deficient number, since it is larger than the sum of its proper divisors (11158273).

84036287 is a wasteful number, since it uses less digits than its factorization.

84036287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371 (or 354 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 84036287 is about 9167.1307943107. The cubic root of 84036287 is about 438.0149682478.

The spelling of 84036287 in words is "eighty-four million, thirty-six thousand, two hundred eighty-seven".