1994623326 has 32 divisors (see below), whose sum is σ = 4461868800. Its totient is φ = 660468600.

The previous prime is 1994623321. The next prime is 1994623333. The reversal of 1994623326 is 6233264991.

1994623326 is a `hidden beast` number, since 19 + 9 + 4 + 623 + 3 + 2 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1994623321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114156 + ... + 130463.

It is an arithmetic number, because the mean of its divisors is an integer number (139433400).

Almost surely, 2^1994623326 is an apocalyptic number.

1994623326 is an abundant number, since it is smaller than the sum of its proper divisors (2467245474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1994623326 is a wasteful number, since it uses less digits than its factorization.

1994623326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244781 (or 244775 counting only the distinct ones).

The product of its digits is 419904, while the sum is 45.

The square root of 1994623326 is about 44661.2060517850. The cubic root of 1994623326 is about 1258.7910058509.

The spelling of 1994623326 in words is "one billion, nine hundred ninety-four million, six hundred twenty-three thousand, three hundred twenty-six".