86485636 has 6 divisors (see below), whose sum is σ = 151349870. Its totient is φ = 43242816.

The previous prime is 86485631. The next prime is 86485657. The reversal of 86485636 is 63658468.

It can be written as a sum of positive squares in only one way, i.e., 86118400 + 367236 = 9280^2 + 606^2 .

It is not an unprimeable number, because it can be changed into a prime (86485631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10810701 + ... + 10810708.

Almost surely, 2^86485636 is an apocalyptic number.

It is an amenable number.

86485636 is a deficient number, since it is larger than the sum of its proper divisors (64864234).

86485636 is a wasteful number, since it uses less digits than its factorization.

86485636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21621413 (or 21621411 counting only the distinct ones).

The product of its digits is 829440, while the sum is 46.

The square root of 86485636 is about 9299.7653733844. The cubic root of 86485636 is about 442.2297898122.

The spelling of 86485636 in words is "eighty-six million, four hundred eighty-five thousand, six hundred thirty-six".