64193441 has 8 divisors (see below), whose sum is σ = 70436520. Its totient is φ = 58136832.

The previous prime is 64193431. The next prime is 64193461. The reversal of 64193441 is 14439146.

It is a happy number.

64193441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 24453025 + 39740416 = 4945^2 + 6304^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64193441 - 2¹⁸ = 63931297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64193398 and 64193407.

It is not an unprimeable number, because it can be changed into a prime (64193401) by changing a digit.

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, 45896 + ... + 47273.

It is an arithmetic number, because the mean of its divisors is an integer number (8804565).

Almost surely, 2^64193441 is an apocalyptic number.

It is an amenable number.

64193441 is a deficient number, since it is larger than the sum of its proper divisors (6243079).

64193441 is a wasteful number, since it uses less digits than its factorization.

64193441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93235.

The product of its digits is 10368, while the sum is 32.

The square root of 64193441 is about 8012.0809406795. The cubic root of 64193441 is about 400.4025967371.

The spelling of 64193441 in words is "sixty-four million, one hundred ninety-three thousand, four hundred forty-one".