86436925 has 12 divisors (see below), whose sum is σ = 113487156. Its totient is φ = 65081600.

The previous prime is 86436919. The next prime is 86436929. The reversal of 86436925 is 52963468.

It can be written as a sum of positive squares in 6 ways, for example, as 114244 + 86322681 = 338^2 + 9291^2 .

It is not a de Polignac number, because 86436925 - 2¹⁷ = 86305853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86436929) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101266 + ... + 102115.

It is an arithmetic number, because the mean of its divisors is an integer number (9457263).

Almost surely, 2^86436925 is an apocalyptic number.

86436925 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

86436925 is a deficient number, since it is larger than the sum of its proper divisors (27050231).

86436925 is a wasteful number, since it uses less digits than its factorization.

86436925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203408 (or 203403 counting only the distinct ones).

The product of its digits is 311040, while the sum is 43.

The square root of 86436925 is about 9297.1460674768. The cubic root of 86436925 is about 442.1467490446.

The spelling of 86436925 in words is "eighty-six million, four hundred thirty-six thousand, nine hundred twenty-five".