86940434 has 32 divisors (see below), whose sum is σ = 155105280. Its totient is φ = 35759808.

The previous prime is 86940419. The next prime is 86940439. The reversal of 86940434 is 43404968.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (86940439) 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 15 ways as a sum of consecutive naturals, for example, 79439 + ... + 80525.

It is an arithmetic number, because the mean of its divisors is an integer number (4847040).

Almost surely, 2^86940434 is an apocalyptic number.

86940434 is a deficient number, since it is larger than the sum of its proper divisors (68164846).

86940434 is a wasteful number, since it uses less digits than its factorization.

86940434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1322.

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 86940434 is about 9324.1854335915. The cubic root of 86940434 is about 443.0036127278.

The spelling of 86940434 in words is "eighty-six million, nine hundred forty thousand, four hundred thirty-four".