64684248 has 16 divisors (see below), whose sum is σ = 161710680. Its totient is φ = 21561408.

The previous prime is 64684241. The next prime is 64684253. The reversal of 64684248 is 84248646.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

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 (64684241) 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, 1347565 + ... + 1347612.

Almost surely, 2^64684248 is an apocalyptic number.

It is an amenable number.

64684248 is an abundant number, since it is smaller than the sum of its proper divisors (97026432).

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

64684248 is a wasteful number, since it uses less digits than its factorization.

64684248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2695186 (or 2695182 counting only the distinct ones).

The product of its digits is 294912, while the sum is 42.

The square root of 64684248 is about 8042.6518014894. The cubic root of 64684248 is about 401.4204663837.

The spelling of 64684248 in words is "sixty-four million, six hundred eighty-four thousand, two hundred forty-eight".