1994718 has 16 divisors (see below), whose sum is σ = 4352256. Its totient is φ = 604440.

The previous prime is 1994717. The next prime is 1994743. The reversal of 1994718 is 8174991.

It is a happy 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 (1994711) 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, 15046 + ... + 15177.

It is an arithmetic number, because the mean of its divisors is an integer number (272016).

2^1994718 is an apocalyptic number.

1994718 is an abundant number, since it is smaller than the sum of its proper divisors (2357538).

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

1994718 is a wasteful number, since it uses less digits than its factorization.

1994718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30239.

The product of its digits is 18144, while the sum is 39.

The square root of 1994718 is about 1412.3448587367. The cubic root of 1994718 is about 125.8810921540.

The spelling of 1994718 in words is "one million, nine hundred ninety-four thousand, seven hundred eighteen".