86814040 has 32 divisors (see below), whose sum is σ = 205614000. Its totient is φ = 32897664.

The previous prime is 86814011. The next prime is 86814047. The reversal of 86814040 is 4041868.

It is a super-2 number, since 2×86814040² = 15073355082243200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 86813993 and 86814011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86814047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56355 + ... + 57874.

Almost surely, 2^86814040 is an apocalyptic number.

It is an amenable number.

86814040 is an abundant number, since it is smaller than the sum of its proper divisors (118799960).

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

86814040 is a wasteful number, since it uses less digits than its factorization.

86814040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114259 (or 114255 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 86814040 is about 9317.4052181925. The cubic root of 86814040 is about 442.7888290643.

It can be divided in two parts, 8681 and 4040, that added together give a palindrome (12721).

The spelling of 86814040 in words is "eighty-six million, eight hundred fourteen thousand, forty".