994203601 has 4 divisors (see below), whose sum is σ = 995726772. Its totient is φ = 992680432.

The previous prime is 994203593. The next prime is 994203659. The reversal of 994203601 is 106302499.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 62489025 + 931714576 = 7905^2 + 30524^2 .

It is a cyclic number.

It is not a de Polignac number, because 994203601 - 2³ = 994203593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (994203901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 760606 + ... + 761911.

It is an arithmetic number, because the mean of its divisors is an integer number (248931693).

Almost surely, 2^994203601 is an apocalyptic number.

It is an amenable number.

994203601 is a deficient number, since it is larger than the sum of its proper divisors (1523171).

994203601 is a wasteful number, since it uses less digits than its factorization.

994203601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1523170.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 994203601 is about 31530.9942913318. The cubic root of 994203601 is about 998.0641217939.

The spelling of 994203601 in words is "nine hundred ninety-four million, two hundred three thousand, six hundred one".