64386417 has 8 divisors (see below), whose sum is σ = 85972480. Its totient is φ = 42862320.

The previous prime is 64386403. The next prime is 64386431. The reversal of 64386417 is 71468346.

It is an interprime number because it is at equal distance from previous prime (64386403) and next prime (64386431).

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

It is not a de Polignac number, because 64386417 - 2¹⁰ = 64385393 is a prime.

It is a super-2 number, since 2×64386417² = 8291221388195778, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64386317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13009 + ... + 17262.

It is an arithmetic number, because the mean of its divisors is an integer number (10746560).

Almost surely, 2^64386417 is an apocalyptic number.

It is an amenable number.

64386417 is a deficient number, since it is larger than the sum of its proper divisors (21586063).

64386417 is a wasteful number, since it uses less digits than its factorization.

64386417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30983.

The product of its digits is 96768, while the sum is 39.

The square root of 64386417 is about 8024.1147175249. The cubic root of 64386417 is about 400.8034206245.

The spelling of 64386417 in words is "sixty-four million, three hundred eighty-six thousand, four hundred seventeen".