64084239 has 6 divisors (see below), whose sum is σ = 92566136. Its totient is φ = 42722820.

The previous prime is 64084219. The next prime is 64084243. The reversal of 64084239 is 93248046.

It is a happy number.

64084239 is a `hidden beast` number, since 640 + 8 + 4 + 2 + 3 + 9 = 666.

It is not a de Polignac number, because 64084239 - 2¹¹ = 64082191 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 (64084219) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3560227 + ... + 3560244.

Almost surely, 2^64084239 is an apocalyptic number.

64084239 is a deficient number, since it is larger than the sum of its proper divisors (28481897).

64084239 is a wasteful number, since it uses less digits than its factorization.

64084239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7120477 (or 7120474 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 64084239 is about 8005.2632061663. The cubic root of 64084239 is about 400.1754209741.

The spelling of 64084239 in words is "sixty-four million, eighty-four thousand, two hundred thirty-nine".