64860339 has 8 divisors (see below), whose sum is σ = 89270272. Its totient is φ = 41845320.

The previous prime is 64860317. The next prime is 64860347. The reversal of 64860339 is 93306846.

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

It is not a de Polignac number, because 64860339 - 2¹² = 64856243 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64860297 and 64860306.

It is not an unprimeable number, because it can be changed into a prime (64860379) 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, 348619 + ... + 348804.

It is an arithmetic number, because the mean of its divisors is an integer number (11158784).

Almost surely, 2^64860339 is an apocalyptic number.

64860339 is a deficient number, since it is larger than the sum of its proper divisors (24409933).

64860339 is a wasteful number, since it uses less digits than its factorization.

64860339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697457.

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

The square root of 64860339 is about 8053.5916832181. The cubic root of 64860339 is about 401.7844008637.

The spelling of 64860339 in words is "sixty-four million, eight hundred sixty thousand, three hundred thirty-nine".