86470428 has 48 divisors (see below), whose sum is σ = 223735680. Its totient is φ = 25771200.

The previous prime is 86470411. The next prime is 86470441. The reversal of 86470428 is 82407468.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2683 + ... + 13421.

It is an arithmetic number, because the mean of its divisors is an integer number (4661160).

Almost surely, 2^86470428 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 86470428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111867840).

86470428 is an abundant number, since it is smaller than the sum of its proper divisors (137265252).

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

86470428 is a wasteful number, since it uses less digits than its factorization.

86470428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10818 (or 10816 counting only the distinct ones).

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

The square root of 86470428 is about 9298.9476823993. The cubic root of 86470428 is about 442.2038671072.

The spelling of 86470428 in words is "eighty-six million, four hundred seventy thousand, four hundred twenty-eight".