86846140 has 48 divisors (see below), whose sum is σ = 185774400. Its totient is φ = 34099200.

The previous prime is 86846117. The next prime is 86846143. The reversal of 86846140 is 4164868.

It is a self number, because there is not a number n which added to its sum of digits gives 86846140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86846143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 449884 + ... + 450076.

It is an arithmetic number, because the mean of its divisors is an integer number (3870300).

Almost surely, 2^86846140 is an apocalyptic number.

It is an amenable number.

86846140 is an abundant number, since it is smaller than the sum of its proper divisors (98928260).

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

86846140 is a wasteful number, since it uses less digits than its factorization.

86846140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502 (or 500 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 86846140 is about 9319.1276415768. The cubic root of 86846140 is about 442.8433969273.

The spelling of 86846140 in words is "eighty-six million, eight hundred forty-six thousand, one hundred forty".