1994306 has 4 divisors (see below), whose sum is σ = 2991462. Its totient is φ = 997152.

The previous prime is 1994299. The next prime is 1994327. The reversal of 1994306 is 6034991.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6034991 = 113 ⋅53407.

It can be written as a sum of positive squares in only one way, i.e., 1985281 + 9025 = 1409^2 + 95^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 498575 + ... + 498578.

2^1994306 is an apocalyptic number.

1994306 is a deficient number, since it is larger than the sum of its proper divisors (997156).

1994306 is an equidigital number, since it uses as much as digits as its factorization.

1994306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997155.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 1994306 is about 1412.1989944763. The cubic root of 1994306 is about 125.8724248334.

The spelling of 1994306 in words is "one million, nine hundred ninety-four thousand, three hundred six".