64238259 has 16 divisors (see below), whose sum is σ = 92259200. Its totient is φ = 39626496.

The previous prime is 64238249. The next prime is 64238299. The reversal of 64238259 is 95283246.

It is a happy number.

It is not a de Polignac number, because 64238259 - 2⁴ = 64238243 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64238249) 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, 10654 + ... + 15555.

It is an arithmetic number, because the mean of its divisors is an integer number (5766200).

Almost surely, 2^64238259 is an apocalyptic number.

64238259 is a deficient number, since it is larger than the sum of its proper divisors (28020941).

64238259 is a wasteful number, since it uses less digits than its factorization.

64238259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26274.

The product of its digits is 103680, while the sum is 39.

The square root of 64238259 is about 8014.8773540211. The cubic root of 64238259 is about 400.4957582223.

The spelling of 64238259 in words is "sixty-four million, two hundred thirty-eight thousand, two hundred fifty-nine".