86449371 has 4 divisors (see below), whose sum is σ = 115265832. Its totient is φ = 57632912.

The previous prime is 86449367. The next prime is 86449399. The reversal of 86449371 is 17394468.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86449371 - 2² = 86449367 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86449331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14408226 + ... + 14408231.

It is an arithmetic number, because the mean of its divisors is an integer number (28816458).

Almost surely, 2^86449371 is an apocalyptic number.

86449371 is a deficient number, since it is larger than the sum of its proper divisors (28816461).

86449371 is a wasteful number, since it uses less digits than its factorization.

86449371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28816460.

The product of its digits is 145152, while the sum is 42.

The square root of 86449371 is about 9297.8153885738. The cubic root of 86449371 is about 442.1679695062.

The spelling of 86449371 in words is "eighty-six million, four hundred forty-nine thousand, three hundred seventy-one".