86256730 has 32 divisors (see below), whose sum is σ = 183565440. Its totient is φ = 28553280.

The previous prime is 86256689. The next prime is 86256763. The reversal of 86256730 is 3765268.

It is a self number, because there is not a number n which added to its sum of digits gives 86256730.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 19216 + ... + 23275.

It is an arithmetic number, because the mean of its divisors is an integer number (5736420).

Almost surely, 2^86256730 is an apocalyptic number.

86256730 is an abundant number, since it is smaller than the sum of its proper divisors (97308710).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86256730 is a wasteful number, since it uses less digits than its factorization.

86256730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42534.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 86256730 is about 9287.4501344556. The cubic root of 86256730 is about 441.8392876129.

The spelling of 86256730 in words is "eighty-six million, two hundred fifty-six thousand, seven hundred thirty".