64984086 has 24 divisors (see below), whose sum is σ = 144540840. Its totient is φ = 21641616.

The previous prime is 64984069. The next prime is 64984097. The reversal of 64984086 is 68048946.

It is a happy number.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58690 + ... + 59786.

It is an arithmetic number, because the mean of its divisors is an integer number (6022535).

Almost surely, 2^64984086 is an apocalyptic number.

64984086 is an abundant number, since it is smaller than the sum of its proper divisors (79556754).

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

64984086 is an equidigital number, since it uses as much as digits as its factorization.

64984086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2205 (or 1102 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 64984086 is about 8061.2707434994. The cubic root of 64984086 is about 402.0397599346.

The spelling of 64984086 in words is "sixty-four million, nine hundred eighty-four thousand, eighty-six".