86031646 has 16 divisors (see below), whose sum is σ = 131103648. Its totient is φ = 42336000.

The previous prime is 86031643. The next prime is 86031703. The reversal of 86031646 is 64613068.

It is a super-2 number, since 2×86031646² = 14802888226938632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86031643) 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 7 ways as a sum of consecutive naturals, for example, 32866 + ... + 35386.

It is an arithmetic number, because the mean of its divisors is an integer number (8193978).

Almost surely, 2^86031646 is an apocalyptic number.

86031646 is a deficient number, since it is larger than the sum of its proper divisors (45072002).

86031646 is a wasteful number, since it uses less digits than its factorization.

86031646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2787.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 86031646 is about 9275.3245765310. The cubic root of 86031646 is about 441.4546313104.

The spelling of 86031646 in words is "eighty-six million, thirty-one thousand, six hundred forty-six".