64306893 has 16 divisors (see below), whose sum is σ = 98910720. Its totient is φ = 36402096.

The previous prime is 64306867. The next prime is 64306897. The reversal of 64306893 is 39860346.

It is not a de Polignac number, because 64306893 - 2¹⁰ = 64305869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64306897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12063 + ... + 16556.

It is an arithmetic number, because the mean of its divisors is an integer number (6181920).

Almost surely, 2^64306893 is an apocalyptic number.

It is an amenable number.

64306893 is a deficient number, since it is larger than the sum of its proper divisors (34603827).

64306893 is a wasteful number, since it uses less digits than its factorization.

64306893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28736.

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 64306893 is about 8019.1578734927. The cubic root of 64306893 is about 400.6383411761.

The spelling of 64306893 in words is "sixty-four million, three hundred six thousand, eight hundred ninety-three".