1994830 has 8 divisors (see below), whose sum is σ = 3590712. Its totient is φ = 797928.

The previous prime is 1994827. The next prime is 1994833. The reversal of 1994830 is 384991.

It is an interprime number because it is at equal distance from previous prime (1994827) and next prime (1994833).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1994833) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 99732 + ... + 99751.

It is an arithmetic number, because the mean of its divisors is an integer number (448839).

2^1994830 is an apocalyptic number.

1994830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1994830 is a deficient number, since it is larger than the sum of its proper divisors (1595882).

1994830 is a wasteful number, since it uses less digits than its factorization.

1994830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199490.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 1994830 is about 1412.3845085528. The cubic root of 1994830 is about 125.8834481125.

It can be divided in two parts, 19 and 94830, that added together give a palindrome (94849).

The spelling of 1994830 in words is "one million, nine hundred ninety-four thousand, eight hundred thirty".