84031366 has 16 divisors (see below), whose sum is σ = 129754800. Its totient is φ = 40785120.

The previous prime is 84031361. The next prime is 84031369. The reversal of 84031366 is 66313048.

It is a super-2 number, since 2×84031366² = 14122540943651912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84031361) 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 7 ways as a sum of consecutive naturals, for example, 38985 + ... + 41083.

It is an arithmetic number, because the mean of its divisors is an integer number (8109675).

Almost surely, 2^84031366 is an apocalyptic number.

84031366 is a deficient number, since it is larger than the sum of its proper divisors (45723434).

84031366 is a wasteful number, since it uses less digits than its factorization.

84031366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2679.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 84031366 is about 9166.8623857894. The cubic root of 84031366 is about 438.0064183153.

The spelling of 84031366 in words is "eighty-four million, thirty-one thousand, three hundred sixty-six".