1994321430 has 24 divisors (see below), whose sum is σ = 5185235952. Its totient is φ = 531819024.

The previous prime is 1994321411. The next prime is 1994321447. The reversal of 1994321430 is 341234991.

1994321430 is a `hidden beast` number, since 199 + 4 + 32 + 1 + 430 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11079474 + ... + 11079653.

It is an arithmetic number, because the mean of its divisors is an integer number (216051498).

Almost surely, 2^1994321430 is an apocalyptic number.

1994321430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1994321430 is an abundant number, since it is smaller than the sum of its proper divisors (3190914522).

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

1994321430 is a wasteful number, since it uses less digits than its factorization.

1994321430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22159140 (or 22159137 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 1994321430 is about 44657.8260778556. The cubic root of 1994321430 is about 1258.7274945872.

The spelling of 1994321430 in words is "one billion, nine hundred ninety-four million, three hundred twenty-one thousand, four hundred thirty".