64293385 has 16 divisors (see below), whose sum is σ = 85022784. Its totient is φ = 46372032.

The previous prime is 64293373. The next prime is 64293407. The reversal of 64293385 is 58339246.

It is a cyclic number.

It is not a de Polignac number, because 64293385 - 2¹⁷ = 64162313 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8707 + ... + 14296.

It is an arithmetic number, because the mean of its divisors is an integer number (5313924).

Almost surely, 2^64293385 is an apocalyptic number.

64293385 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

64293385 is a deficient number, since it is larger than the sum of its proper divisors (20729399).

64293385 is a wasteful number, since it uses less digits than its factorization.

64293385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23064.

The product of its digits is 155520, while the sum is 40.

The square root of 64293385 is about 8018.3155961835. The cubic root of 64293385 is about 400.6102871504.

The spelling of 64293385 in words is "sixty-four million, two hundred ninety-three thousand, three hundred eighty-five".