64334028 has 48 divisors (see below), whose sum is σ = 164908800. Its totient is φ = 19358400.

The previous prime is 64334027. The next prime is 64334051. The reversal of 64334028 is 82043346.

It is a junction number, because it is equal to n+sod(n) for n = 64333986 and 64334004.

It is not an unprimeable number, because it can be changed into a prime (64334027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18033 + ... + 21303.

It is an arithmetic number, because the mean of its divisors is an integer number (3435600).

Almost surely, 2^64334028 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64334028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82454400).

64334028 is an abundant number, since it is smaller than the sum of its proper divisors (100574772).

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

64334028 is a wasteful number, since it uses less digits than its factorization.

64334028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3438 (or 3436 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 64334028 is about 8020.8495809359. The cubic root of 64334028 is about 400.6946845018.

The spelling of 64334028 in words is "sixty-four million, three hundred thirty-four thousand, twenty-eight".