1964066 has 8 divisors (see below), whose sum is σ = 3172764. Its totient is φ = 906480.

The previous prime is 1964063. The next prime is 1964077. The reversal of 1964066 is 6604691.

It can be written as a sum of positive squares in 2 ways, for example, as 1890625 + 73441 = 1375^2 + 271^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1964063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37745 + ... + 37796.

2^1964066 is an apocalyptic number.

1964066 is a deficient number, since it is larger than the sum of its proper divisors (1208698).

1964066 is a wasteful number, since it uses less digits than its factorization.

1964066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75556.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 1964066 is about 1401.4513905234. The cubic root of 1964066 is about 125.2329735170.

The spelling of 1964066 in words is "one million, nine hundred sixty-four thousand, sixty-six".