64906285 has 8 divisors (see below), whose sum is σ = 77934816. Its totient is φ = 51893520.

The previous prime is 64906277. The next prime is 64906301. The reversal of 64906285 is 58260946.

It is a happy number.

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

It is not a de Polignac number, because 64906285 - 2³ = 64906277 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 8970 + ... + 14500.

It is an arithmetic number, because the mean of its divisors is an integer number (9741852).

Almost surely, 2^64906285 is an apocalyptic number.

It is an amenable number.

64906285 is a deficient number, since it is larger than the sum of its proper divisors (13028531).

64906285 is a wasteful number, since it uses less digits than its factorization.

64906285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7883.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 64906285 is about 8056.4436943356. The cubic root of 64906285 is about 401.8792509630.

The spelling of 64906285 in words is "sixty-four million, nine hundred six thousand, two hundred eighty-five".