64494196 has 12 divisors (see below), whose sum is σ = 121546852. Its totient is φ = 29766528.

The previous prime is 64494191. The next prime is 64494197. The reversal of 64494196 is 69149446.

64494196 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 2 ways, for example, as 33802596 + 30691600 = 5814^2 + 5540^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64494191) 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 3 ways as a sum of consecutive naturals, for example, 620085 + ... + 620188.

Almost surely, 2^64494196 is an apocalyptic number.

It is an amenable number.

64494196 is a deficient number, since it is larger than the sum of its proper divisors (57052656).

64494196 is a wasteful number, since it uses less digits than its factorization.

64494196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240290 (or 1240288 counting only the distinct ones).

The product of its digits is 186624, while the sum is 43.

The square root of 64494196 is about 8030.8278527185. The cubic root of 64494196 is about 401.0269362486.

The spelling of 64494196 in words is "sixty-four million, four hundred ninety-four thousand, one hundred ninety-six".