64889234 has 16 divisors (see below), whose sum is σ = 100614528. Its totient is φ = 31367952.

The previous prime is 64889213. The next prime is 64889249. The reversal of 64889234 is 43298846.

64889234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×64889234² = 8421225378213512, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3644 + ... + 11960.

It is an arithmetic number, because the mean of its divisors is an integer number (6288408).

Almost surely, 2^64889234 is an apocalyptic number.

64889234 is a deficient number, since it is larger than the sum of its proper divisors (35725294).

64889234 is a wasteful number, since it uses less digits than its factorization.

64889234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8449.

The product of its digits is 331776, while the sum is 44.

The square root of 64889234 is about 8055.3854035670. The cubic root of 64889234 is about 401.8440564091.

The spelling of 64889234 in words is "sixty-four million, eight hundred eighty-nine thousand, two hundred thirty-four".