86471396 has 12 divisors (see below), whose sum is σ = 165081840. Its totient is φ = 39305160.

The previous prime is 86471393. The next prime is 86471423. The reversal of 86471396 is 69317468.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 1965259 = 86471396 / (8 + 6 + 4 + 7 + 1 + 3 + 9 + 6).

It is not an unprimeable number, because it can be changed into a prime (86471393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 982586 + ... + 982673.

It is an arithmetic number, because the mean of its divisors is an integer number (13756820).

Almost surely, 2^86471396 is an apocalyptic number.

It is an amenable number.

86471396 is a deficient number, since it is larger than the sum of its proper divisors (78610444).

86471396 is a wasteful number, since it uses less digits than its factorization.

86471396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1965274 (or 1965272 counting only the distinct ones).

The product of its digits is 217728, while the sum is 44.

The square root of 86471396 is about 9298.9997311539. Note that the first 3 decimals coincide. The cubic root of 86471396 is about 442.2055171963.

The spelling of 86471396 in words is "eighty-six million, four hundred seventy-one thousand, three hundred ninety-six".