64270386 has 24 divisors (see below), whose sum is σ = 140933520. Its totient is φ = 21164856.

The previous prime is 64270379. The next prime is 64270439. The reversal of 64270386 is 68307246.

64270386 is a `hidden beast` number, since 6 + 4 + 270 + 386 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 64270386.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20016 + ... + 23003.

It is an arithmetic number, because the mean of its divisors is an integer number (5872230).

Almost surely, 2^64270386 is an apocalyptic number.

64270386 is an abundant number, since it is smaller than the sum of its proper divisors (76663134).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64270386 is a wasteful number, since it uses less digits than its factorization.

64270386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43110 (or 43107 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 64270386 is about 8016.8813138277. The cubic root of 64270386 is about 400.5625127444.

The spelling of 64270386 in words is "sixty-four million, two hundred seventy thousand, three hundred eighty-six".