64893194 has 16 divisors (see below), whose sum is σ = 98981568. Its totient is φ = 31903872.

The previous prime is 64893187. The next prime is 64893217. The reversal of 64893194 is 49139846.

64893194 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 2×64893194² = 8422253255043272, 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, 31397 + ... + 33399.

It is an arithmetic number, because the mean of its divisors is an integer number (6186348).

Almost surely, 2^64893194 is an apocalyptic number.

64893194 is a deficient number, since it is larger than the sum of its proper divisors (34088374).

64893194 is a wasteful number, since it uses less digits than its factorization.

64893194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2269.

The product of its digits is 186624, while the sum is 44.

The square root of 64893194 is about 8055.6311981123. The cubic root of 64893194 is about 401.8522306983.

The spelling of 64893194 in words is "sixty-four million, eight hundred ninety-three thousand, one hundred ninety-four".