86847420 has 96 divisors (see below), whose sum is σ = 267111936. Its totient is φ = 20908800.

The previous prime is 86847403. The next prime is 86847421. The reversal of 86847420 is 2474868.

It is a super-3 number, since 3×86847420³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86847421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 119097 + ... + 119823.

It is an arithmetic number, because the mean of its divisors is an integer number (2782416).

Almost surely, 2^86847420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86847420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133555968).

86847420 is an abundant number, since it is smaller than the sum of its proper divisors (180264516).

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

86847420 is a wasteful number, since it uses less digits than its factorization.

86847420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931 (or 929 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 39.

The square root of 86847420 is about 9319.1963172797. The cubic root of 86847420 is about 442.8455725633.

The spelling of 86847420 in words is "eighty-six million, eight hundred forty-seven thousand, four hundred twenty".