64231248 has 40 divisors (see below), whose sum is σ = 174666400. Its totient is φ = 20283264.

The previous prime is 64231243. The next prime is 64231309. The reversal of 64231248 is 84213246.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64231241) 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, 34303 + ... + 36126.

It is an arithmetic number, because the mean of its divisors is an integer number (4366660).

Almost surely, 2^64231248 is an apocalyptic number.

It is an amenable number.

64231248 is an abundant number, since it is smaller than the sum of its proper divisors (110435152).

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

64231248 is a wasteful number, since it uses less digits than its factorization.

64231248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70459 (or 70453 counting only the distinct ones).

The product of its digits is 9216, while the sum is 30.

The square root of 64231248 is about 8014.4399679578. The cubic root of 64231248 is about 400.4811875808.

The spelling of 64231248 in words is "sixty-four million, two hundred thirty-one thousand, two hundred forty-eight".