64864296 has 192 divisors, whose sum is σ = 213333120. Its totient is φ = 17418240.

The previous prime is 64864291. The next prime is 64864313. The reversal of 64864296 is 69246846.

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

It is not an unprimeable number, because it can be changed into a prime (64864291) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 888516 + ... + 888588.

It is an arithmetic number, because the mean of its divisors is an integer number (1111110).

Almost surely, 2^64864296 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 64864296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106666560).

64864296 is an abundant number, since it is smaller than the sum of its proper divisors (148468824).

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

64864296 is a wasteful number, since it uses less digits than its factorization.

64864296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176 (or 169 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 64864296 is about 8053.8373462592. The cubic root of 64864296 is about 401.7925713860.

The spelling of 64864296 in words is "sixty-four million, eight hundred sixty-four thousand, two hundred ninety-six".