64238496 has 96 divisors (see below), whose sum is σ = 194705280. Its totient is φ = 18164736.

The previous prime is 64238483. The next prime is 64238501. The reversal of 64238496 is 69483246.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72810 + ... + 73686.

It is an arithmetic number, because the mean of its divisors is an integer number (2028180).

Almost surely, 2^64238496 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 64238496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97352640).

64238496 is an abundant number, since it is smaller than the sum of its proper divisors (130466784).

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

64238496 is a wasteful number, since it uses less digits than its factorization.

64238496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006 (or 998 counting only the distinct ones).

The product of its digits is 248832, while the sum is 42.

The square root of 64238496 is about 8014.8921390122. The cubic root of 64238496 is about 400.4962507500.

The spelling of 64238496 in words is "sixty-four million, two hundred thirty-eight thousand, four hundred ninety-six".