64234896 has 120 divisors (see below), whose sum is σ = 191621664. Its totient is φ = 18385920.

The previous prime is 64234861. The next prime is 64234897. The reversal of 64234896 is 69843246.

It is a happy number.

It is a super-2 number, since 2×64234896² = 8252243728261632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64234897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 190440 + ... + 190776.

Almost surely, 2^64234896 is an apocalyptic number.

64234896 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64234896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95810832).

64234896 is an abundant number, since it is smaller than the sum of its proper divisors (127386768).

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

64234896 is a wasteful number, since it uses less digits than its factorization.

64234896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397 (or 372 counting only the distinct ones).

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

The square root of 64234896 is about 8014.6675539289. The cubic root of 64234896 is about 400.4887691851.

The spelling of 64234896 in words is "sixty-four million, two hundred thirty-four thousand, eight hundred ninety-six".