86390010 has 128 divisors (see below), whose sum is σ = 269660160. Its totient is φ = 19268928.

The previous prime is 86389997. The next prime is 86390011. The reversal of 86390010 is 1009368.

86390010 = 1743² + 1744² + ... + 1770².

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (86390011) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 80739 + ... + 81801.

It is an arithmetic number, because the mean of its divisors is an integer number (2106720).

Almost surely, 2^86390010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86390010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134830080).

86390010 is an abundant number, since it is smaller than the sum of its proper divisors (183270150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86390010 is a wasteful number, since it uses less digits than its factorization.

86390010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129 (or 1123 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 86390010 is about 9294.6226389241. The cubic root of 86390010 is about 442.0667405344.

Adding to 86390010 its reverse (1009368), we get a palindrome (87399378).

The spelling of 86390010 in words is "eighty-six million, three hundred ninety thousand, ten".