86245389 has 12 divisors (see below), whose sum is σ = 131133600. Its totient is φ = 54470664.

The previous prime is 86245381. The next prime is 86245417. The reversal of 86245389 is 98354268.

It is not a de Polignac number, because 86245389 - 2³ = 86245381 is a prime.

It is a super-2 number, since 2×86245389² = 14876534247522642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86245381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 252009 + ... + 252350.

It is an arithmetic number, because the mean of its divisors is an integer number (10927800).

Almost surely, 2^86245389 is an apocalyptic number.

It is an amenable number.

86245389 is a deficient number, since it is larger than the sum of its proper divisors (44888211).

86245389 is a wasteful number, since it uses less digits than its factorization.

86245389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504384 (or 504381 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 86245389 is about 9286.8395592903. The cubic root of 86245389 is about 441.8199224805.

The spelling of 86245389 in words is "eighty-six million, two hundred forty-five thousand, three hundred eighty-nine".