64460387 has 8 divisors (see below), whose sum is σ = 65985504. Its totient is φ = 62952768.

The previous prime is 64460381. The next prime is 64460411. The reversal of 64460387 is 78306446.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 64460387 - 2⁸ = 64460131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64460387.

It is not an unprimeable number, because it can be changed into a prime (64460381) 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, 3233 + ... + 11805.

It is an arithmetic number, because the mean of its divisors is an integer number (8248188).

Almost surely, 2^64460387 is an apocalyptic number.

64460387 is a deficient number, since it is larger than the sum of its proper divisors (1525117).

64460387 is a wasteful number, since it uses less digits than its factorization.

64460387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8749.

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 64460387 is about 8028.7226256734. The cubic root of 64460387 is about 400.9568488589.

The spelling of 64460387 in words is "sixty-four million, four hundred sixty thousand, three hundred eighty-seven".