86997434 has 16 divisors (see below), whose sum is σ = 134611200. Its totient is φ = 42137424.

The previous prime is 86997403. The next prime is 86997451. The reversal of 86997434 is 43479968.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15227 + ... + 20145.

It is an arithmetic number, because the mean of its divisors is an integer number (8413200).

Almost surely, 2^86997434 is an apocalyptic number.

86997434 is a deficient number, since it is larger than the sum of its proper divisors (47613766).

86997434 is a wasteful number, since it uses less digits than its factorization.

86997434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5197.

The product of its digits is 1306368, while the sum is 50.

The square root of 86997434 is about 9327.2415000363. The cubic root of 86997434 is about 443.1004057786.

The spelling of 86997434 in words is "eighty-six million, nine hundred ninety-seven thousand, four hundred thirty-four".