64391230 has 8 divisors (see below), whose sum is σ = 115904232. Its totient is φ = 25756488.

The previous prime is 64391227. The next prime is 64391263. The reversal of 64391230 is 3219346.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3219552 + ... + 3219571.

It is an arithmetic number, because the mean of its divisors is an integer number (14488029).

Almost surely, 2^64391230 is an apocalyptic number.

64391230 is a deficient number, since it is larger than the sum of its proper divisors (51513002).

64391230 is a wasteful number, since it uses less digits than its factorization.

64391230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6439130.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 64391230 is about 8024.4146203944. The cubic root of 64391230 is about 400.8134073002.

The spelling of 64391230 in words is "sixty-four million, three hundred ninety-one thousand, two hundred thirty".