1994706 has 40 divisors (see below), whose sum is σ = 5111040. Its totient is φ = 569592.

The previous prime is 1994687. The next prime is 1994711. The reversal of 1994706 is 6074991.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 255 + ... + 2013.

It is an arithmetic number, because the mean of its divisors is an integer number (127776).

2^1994706 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1994706, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2555520).

1994706 is an abundant number, since it is smaller than the sum of its proper divisors (3116334).

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

1994706 is a wasteful number, since it uses less digits than its factorization.

1994706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1780 (or 1771 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 1994706 is about 1412.3406104761. The cubic root of 1994706 is about 125.8808397246.

The spelling of 1994706 in words is "one million, nine hundred ninety-four thousand, seven hundred six".