1994598 has 32 divisors (see below), whose sum is σ = 4540800. Its totient is φ = 648648.

The previous prime is 1994569. The next prime is 1994599. The reversal of 1994598 is 8954991.

1994598 is a `hidden beast` number, since 199 + 459 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1994599) 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, 1893 + ... + 2751.

It is an arithmetic number, because the mean of its divisors is an integer number (141900).

2^1994598 is an apocalyptic number.

1994598 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1994598, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2270400).

1994598 is an abundant number, since it is smaller than the sum of its proper divisors (2546202).

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

1994598 is a wasteful number, since it uses less digits than its factorization.

1994598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913 (or 907 counting only the distinct ones).

The product of its digits is 116640, while the sum is 45.

The square root of 1994598 is about 1412.3023755556. The cubic root of 1994598 is about 125.8785678149.

The spelling of 1994598 in words is "one million, nine hundred ninety-four thousand, five hundred ninety-eight".