64966946 has 16 divisors (see below), whose sum is σ = 106786080. Its totient is φ = 29398080.

The previous prime is 64966939. The next prime is 64966949.

It is a happy number.

64966946 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 64966894 and 64966903.

It is not an unprimeable number, because it can be changed into a prime (64966949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1511 + ... + 11498.

It is an arithmetic number, because the mean of its divisors is an integer number (6674130).

Almost surely, 2^64966946 is an apocalyptic number.

64966946 is a deficient number, since it is larger than the sum of its proper divisors (41819134).

64966946 is a wasteful number, since it uses less digits than its factorization.

64966946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13249.

The product of its digits is 1679616, while the sum is 50.

The square root of 64966946 is about 8060.2075655655. The cubic root of 64966946 is about 402.0044099085.

The spelling of 64966946 in words is "sixty-four million, nine hundred sixty-six thousand, nine hundred forty-six".