64356248 has 48 divisors (see below), whose sum is σ = 136199880. Its totient is φ = 28272000.

The previous prime is 64356137. The next prime is 64356263. The reversal of 64356248 is 84265346.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84188 + ... + 84948.

Almost surely, 2^64356248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64356248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68099940).

64356248 is an abundant number, since it is smaller than the sum of its proper divisors (71843632).

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

64356248 is a wasteful number, since it uses less digits than its factorization.

64356248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840 (or 805 counting only the distinct ones).

The product of its digits is 138240, while the sum is 38.

The square root of 64356248 is about 8022.2346014063. The cubic root of 64356248 is about 400.7408104859.

The spelling of 64356248 in words is "sixty-four million, three hundred fifty-six thousand, two hundred forty-eight".