994963901 has 4 divisors (see below), whose sum is σ = 995487552. Its totient is φ = 994440252.

The previous prime is 994963897. The next prime is 994963903. The reversal of 994963901 is 109369499.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 109369499 = 6211 ⋅17609.

It is a cyclic number.

It is not a de Polignac number, because 994963901 - 2² = 994963897 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 994963901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (994963903) 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, 258965 + ... + 262778.

It is an arithmetic number, because the mean of its divisors is an integer number (248871888).

Almost surely, 2^994963901 is an apocalyptic number.

It is an amenable number.

994963901 is a deficient number, since it is larger than the sum of its proper divisors (523651).

994963901 is a wasteful number, since it uses less digits than its factorization.

994963901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523650.

The product of its (nonzero) digits is 472392, while the sum is 50.

The square root of 994963901 is about 31543.0483783670. The cubic root of 994963901 is about 998.3184743898.

The spelling of 994963901 in words is "nine hundred ninety-four million, nine hundred sixty-three thousand, nine hundred one".