64395430 has 16 divisors (see below), whose sum is σ = 126449424. Its totient is φ = 23416480.

The previous prime is 64395403. The next prime is 64395433. The reversal of 64395430 is 3459346.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64395433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292597 + ... + 292816.

It is an arithmetic number, because the mean of its divisors is an integer number (7903089).

Almost surely, 2^64395430 is an apocalyptic number.

64395430 is a deficient number, since it is larger than the sum of its proper divisors (62053994).

64395430 is a wasteful number, since it uses less digits than its factorization.

64395430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585431.

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 64395430 is about 8024.6763174598. The cubic root of 64395430 is about 400.8221216324.

The spelling of 64395430 in words is "sixty-four million, three hundred ninety-five thousand, four hundred thirty".