64854386 has 4 divisors (see below), whose sum is σ = 97281582. Its totient is φ = 32427192.

The previous prime is 64854359. The next prime is 64854397. The reversal of 64854386 is 68345846.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 52287361 + 12567025 = 7231^2 + 3545^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16213595 + ... + 16213598.

Almost surely, 2^64854386 is an apocalyptic number.

64854386 is a deficient number, since it is larger than the sum of its proper divisors (32427196).

64854386 is a wasteful number, since it uses less digits than its factorization.

64854386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32427195.

The product of its digits is 552960, while the sum is 44.

The square root of 64854386 is about 8053.2220880838. Note that the first 3 decimals coincide. The cubic root of 64854386 is about 401.7721083197.

The spelling of 64854386 in words is "sixty-four million, eight hundred fifty-four thousand, three hundred eighty-six".