86584397 has 8 divisors (see below), whose sum is σ = 90457344. Its totient is φ = 82720528.

The previous prime is 86584391. The next prime is 86584439. The reversal of 86584397 is 79348568.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 86584397 - 2¹⁸ = 86322253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86584391) 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, 23663 + ... + 27075.

It is an arithmetic number, because the mean of its divisors is an integer number (11307168).

Almost surely, 2^86584397 is an apocalyptic number.

It is an amenable number.

86584397 is a deficient number, since it is larger than the sum of its proper divisors (3872947).

86584397 is a wasteful number, since it uses less digits than its factorization.

86584397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4539.

The product of its digits is 1451520, while the sum is 50.

The square root of 86584397 is about 9305.0737235124. The cubic root of 86584397 is about 442.3980583792.

The spelling of 86584397 in words is "eighty-six million, five hundred eighty-four thousand, three hundred ninety-seven".