64028185 has 12 divisors (see below), whose sum is σ = 83199852. Its totient is φ = 47281728.

The previous prime is 64028179. The next prime is 64028191. The reversal of 64028185 is 58182046.

It is an interprime number because it is at equal distance from previous prime (64028179) and next prime (64028191).

It can be written as a sum of positive squares in 6 ways, for example, as 33953929 + 30074256 = 5827^2 + 5484^2 .

It is not a de Polignac number, because 64028185 - 2³ = 64028177 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64028185.

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, 37042 + ... + 38731.

It is an arithmetic number, because the mean of its divisors is an integer number (6933321).

Almost surely, 2^64028185 is an apocalyptic number.

64028185 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

64028185 is a deficient number, since it is larger than the sum of its proper divisors (19171667).

64028185 is a wasteful number, since it uses less digits than its factorization.

64028185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75804 (or 75791 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 64028185 is about 8001.7613685988. The cubic root of 64028185 is about 400.0587101324.

The spelling of 64028185 in words is "sixty-four million, twenty-eight thousand, one hundred eighty-five".