64316397 has 8 divisors (see below), whose sum is σ = 88073056. Its totient is φ = 41718672.

The previous prime is 64316341. The next prime is 64316407. The reversal of 64316397 is 79361346.

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

It is not a de Polignac number, because 64316397 - 2⁶ = 64316333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64316327) 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 7 ways as a sum of consecutive naturals, for example, 289603 + ... + 289824.

It is an arithmetic number, because the mean of its divisors is an integer number (11009132).

Almost surely, 2^64316397 is an apocalyptic number.

It is an amenable number.

64316397 is a deficient number, since it is larger than the sum of its proper divisors (23756659).

64316397 is a wasteful number, since it uses less digits than its factorization.

64316397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579467.

The product of its digits is 81648, while the sum is 39.

The square root of 64316397 is about 8019.7504325259. The cubic root of 64316397 is about 400.6580771591.

The spelling of 64316397 in words is "sixty-four million, three hundred sixteen thousand, three hundred ninety-seven".