86863634 has 48 divisors (see below), whose sum is σ = 156847104. Its totient is φ = 35755200.

The previous prime is 86863633. The next prime is 86863639. The reversal of 86863634 is 43636868.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86863631) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 226607 + ... + 226989.

It is an arithmetic number, because the mean of its divisors is an integer number (3267648).

Almost surely, 2^86863634 is an apocalyptic number.

86863634 is a deficient number, since it is larger than the sum of its proper divisors (69983470).

86863634 is a wasteful number, since it uses less digits than its factorization.

86863634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483 (or 470 counting only the distinct ones).

The product of its digits is 497664, while the sum is 44.

The square root of 86863634 is about 9320.0662014816. The cubic root of 86863634 is about 442.8731299020.

The spelling of 86863634 in words is "eighty-six million, eight hundred sixty-three thousand, six hundred thirty-four".