64234863 has 48 divisors (see below), whose sum is σ = 119997696. Its totient is φ = 33359040.

The previous prime is 64234861. The next prime is 64234897. The reversal of 64234863 is 36843246.

It is a happy number.

64234863 is a `hidden beast` number, since 642 + 3 + 4 + 8 + 6 + 3 = 666.

It is not a de Polignac number, because 64234863 - 2¹ = 64234861 is a prime.

It is a super-2 number, since 2×64234863² = 8252235249257538, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64234861) 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, 16995 + ... + 20427.

It is an arithmetic number, because the mean of its divisors is an integer number (2499952).

Almost surely, 2^64234863 is an apocalyptic number.

64234863 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

64234863 is a deficient number, since it is larger than the sum of its proper divisors (55762833).

64234863 is a wasteful number, since it uses less digits than its factorization.

64234863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3466 (or 3454 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The square root of 64234863 is about 8014.6654952032. The cubic root of 64234863 is about 400.4887006028.

It can be divided in two parts, 642348 and 63, that added together give a triangular number (642411 = T₁₁₃₃).

The spelling of 64234863 in words is "sixty-four million, two hundred thirty-four thousand, eight hundred sixty-three".