86417628 has 24 divisors (see below), whose sum is σ = 219972480. Its totient is φ = 26187120.

The previous prime is 86417621. The next prime is 86417633. The reversal of 86417628 is 82671468.

It is a self number, because there is not a number n which added to its sum of digits gives 86417628.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86417621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327208 + ... + 327471.

It is an arithmetic number, because the mean of its divisors is an integer number (9165520).

Almost surely, 2^86417628 is an apocalyptic number.

It is an amenable number.

86417628 is an abundant number, since it is smaller than the sum of its proper divisors (133554852).

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

86417628 is a wasteful number, since it uses less digits than its factorization.

86417628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654697 (or 654695 counting only the distinct ones).

The product of its digits is 129024, while the sum is 42.

The square root of 86417628 is about 9296.1082179587. The cubic root of 86417628 is about 442.1138435827.

It can be divided in two parts, 86 and 417628, that added together give a palindrome (417714).

The spelling of 86417628 in words is "eighty-six million, four hundred seventeen thousand, six hundred twenty-eight".