86918410 has 16 divisors (see below), whose sum is σ = 159406056. Its totient is φ = 34111168.

The previous prime is 86918393. The next prime is 86918411. The reversal of 86918410 is 1481968.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 62583921 + 24334489 = 7911^2 + 4933^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 86918410.

It is not an unprimeable number, because it can be changed into a prime (86918411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81469 + ... + 82528.

Almost surely, 2^86918410 is an apocalyptic number.

86918410 is a deficient number, since it is larger than the sum of its proper divisors (72487646).

86918410 is a wasteful number, since it uses less digits than its factorization.

86918410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164057.

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 86918410 is about 9323.0043440942. The cubic root of 86918410 is about 442.9662019202.

The spelling of 86918410 in words is "eighty-six million, nine hundred eighteen thousand, four hundred ten".