64285830 has 96 divisors (see below), whose sum is σ = 193999104. Its totient is φ = 14465088.

The previous prime is 64285811. The next prime is 64285831. The reversal of 64285830 is 3858246.

64285830 is a `hidden beast` number, since 642 + 8 + 5 + 8 + 3 + 0 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64285831) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 41449 + ... + 42971.

It is an arithmetic number, because the mean of its divisors is an integer number (2020824).

Almost surely, 2^64285830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64285830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96999552).

64285830 is an abundant number, since it is smaller than the sum of its proper divisors (129713274).

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

64285830 is a wasteful number, since it uses less digits than its factorization.

64285830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1610 (or 1607 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 64285830 is about 8017.8444734230. The cubic root of 64285830 is about 400.5945948711.

The spelling of 64285830 in words is "sixty-four million, two hundred eighty-five thousand, eight hundred thirty".