993774601 has 8 divisors (see below), whose sum is σ = 1022424200. Its totient is φ = 965219328.

The previous prime is 993774589. The next prime is 993774611. The reversal of 993774601 is 106477399.

It can be written as a sum of positive squares in 4 ways, for example, as 912342025 + 81432576 = 30205^2 + 9024^2 .

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 993774601 - 2⁵ = 993774569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (993774611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1926 + ... + 44623.

It is an arithmetic number, because the mean of its divisors is an integer number (127803025).

Almost surely, 2^993774601 is an apocalyptic number.

993774601 is the 18201-st hex number.

It is an amenable number.

993774601 is a deficient number, since it is larger than the sum of its proper divisors (28649599).

993774601 is a wasteful number, since it uses less digits than its factorization.

993774601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47163.

The product of its (nonzero) digits is 285768, while the sum is 46.

The square root of 993774601 is about 31524.1907271226. The cubic root of 993774601 is about 997.9205458678.

The spelling of 993774601 in words is "nine hundred ninety-three million, seven hundred seventy-four thousand, six hundred one".