86817340 has 24 divisors (see below), whose sum is σ = 182986272. Its totient is φ = 34599360.

The previous prime is 86817323. The next prime is 86817343. The reversal of 86817340 is 4371868.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 86817340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86817343) 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, 2296 + ... + 13375.

It is an arithmetic number, because the mean of its divisors is an integer number (7624428).

Almost surely, 2^86817340 is an apocalyptic number.

It is an amenable number.

86817340 is an abundant number, since it is smaller than the sum of its proper divisors (96168932).

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

86817340 is a wasteful number, since it uses less digits than its factorization.

86817340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15957 (or 15955 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 86817340 is about 9317.5823044393. The cubic root of 86817340 is about 442.7944394649.

The spelling of 86817340 in words is "eighty-six million, eight hundred seventeen thousand, three hundred forty".