64339386 has 16 divisors (see below), whose sum is σ = 129291168. Its totient is φ = 21344400.

The previous prime is 64339367. The next prime is 64339393. The reversal of 64339386 is 68393346.

It is a super-3 number, since 3×64339386³ (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24145 + ... + 26676.

It is an arithmetic number, because the mean of its divisors is an integer number (8080698).

Almost surely, 2^64339386 is an apocalyptic number.

64339386 is an abundant number, since it is smaller than the sum of its proper divisors (64951782).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64339386 is a wasteful number, since it uses less digits than its factorization.

64339386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51037.

The product of its digits is 279936, while the sum is 42.

The square root of 64339386 is about 8021.1835785001. The cubic root of 64339386 is about 400.7058080217.

The spelling of 64339386 in words is "sixty-four million, three hundred thirty-nine thousand, three hundred eighty-six".