64285438 has 8 divisors (see below), whose sum is σ = 110203632. Its totient is φ = 27550896.

The previous prime is 64285433. The next prime is 64285453. The reversal of 64285438 is 83458246.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 64285438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64285433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2295895 + ... + 2295922.

It is an arithmetic number, because the mean of its divisors is an integer number (13775454).

Almost surely, 2^64285438 is an apocalyptic number.

64285438 is a deficient number, since it is larger than the sum of its proper divisors (45918194).

64285438 is a wasteful number, since it uses less digits than its factorization.

64285438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4591826.

The product of its digits is 184320, while the sum is 40.

The square root of 64285438 is about 8017.8200279128. The cubic root of 64285438 is about 400.5937806253.

The spelling of 64285438 in words is "sixty-four million, two hundred eighty-five thousand, four hundred thirty-eight".