64986946 has 8 divisors (see below), whose sum is σ = 98135100. Its totient is φ = 32275248.

The previous prime is 64986919. The next prime is 64986967. The reversal of 64986946 is 64968946.

It can be written as a sum of positive squares in 2 ways, for example, as 64979721 + 7225 = 8061^2 + 85^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 64986893 and 64986902.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108741 + ... + 109336.

Almost surely, 2^64986946 is an apocalyptic number.

64986946 is a deficient number, since it is larger than the sum of its proper divisors (33148154).

64986946 is a wasteful number, since it uses less digits than its factorization.

64986946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218228.

The product of its digits is 2239488, while the sum is 52.

The square root of 64986946 is about 8061.4481329349. The cubic root of 64986946 is about 402.0456578753.

The spelling of 64986946 in words is "sixty-four million, nine hundred eighty-six thousand, nine hundred forty-six".