1994856029 has 8 divisors (see below), whose sum is σ = 2035432152. Its totient is φ = 1954388800.

The previous prime is 1994856011. The next prime is 1994856049. The reversal of 1994856029 is 9206584991.

It can be written as a sum of positive squares in 4 ways, for example, as 541492900 + 1453363129 = 23270^2 + 38123^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1994856029 - 2¹⁶ = 1994790493 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1994856049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10307 + ... + 63999.

It is an arithmetic number, because the mean of its divisors is an integer number (254429019).

Almost surely, 2^1994856029 is an apocalyptic number.

It is an amenable number.

1994856029 is a deficient number, since it is larger than the sum of its proper divisors (40576123).

1994856029 is an equidigital number, since it uses as much as digits as its factorization.

1994856029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54447.

The product of its (nonzero) digits is 1399680, while the sum is 53.

The square root of 1994856029 is about 44663.8111786265. The cubic root of 1994856029 is about 1258.8399562883.

The spelling of 1994856029 in words is "one billion, nine hundred ninety-four million, eight hundred fifty-six thousand, twenty-nine".