86228397 has 24 divisors (see below), whose sum is σ = 130796640. Its totient is φ = 54663840.

The previous prime is 86228381. The next prime is 86228413. The reversal of 86228397 is 79382268.

It is an interprime number because it is at equal distance from previous prime (86228381) and next prime (86228413).

It is not a de Polignac number, because 86228397 - 2⁴ = 86228381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86228377) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15022 + ... + 19952.

It is an arithmetic number, because the mean of its divisors is an integer number (5449860).

Almost surely, 2^86228397 is an apocalyptic number.

86228397 is a gapful number since it is divisible by the number (87) formed by its first and last digit.

It is an amenable number.

86228397 is a deficient number, since it is larger than the sum of its proper divisors (44568243).

86228397 is a wasteful number, since it uses less digits than its factorization.

86228397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5033 (or 5030 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 86228397 is about 9285.9246712430. The cubic root of 86228397 is about 441.7909049013.

The spelling of 86228397 in words is "eighty-six million, two hundred twenty-eight thousand, three hundred ninety-seven".