1964366 has 4 divisors (see below), whose sum is σ = 2946552. Its totient is φ = 982182.

The previous prime is 1964363. The next prime is 1964381. The reversal of 1964366 is 6634691.

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

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1964363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 491090 + ... + 491093.

It is an arithmetic number, because the mean of its divisors is an integer number (736638).

2^1964366 is an apocalyptic number.

1964366 is a deficient number, since it is larger than the sum of its proper divisors (982186).

1964366 is an equidigital number, since it uses as much as digits as its factorization.

1964366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982185.

The product of its digits is 23328, while the sum is 35.

The square root of 1964366 is about 1401.5584183330. The cubic root of 1964366 is about 125.2393494024.

The spelling of 1964366 in words is "one million, nine hundred sixty-four thousand, three hundred sixty-six".