994203960 has 64 divisors (see below), whose sum is σ = 2985828480. Its totient is φ = 264835200.

The previous prime is 994203943. The next prime is 994203971. The reversal of 994203960 is 69302499.

It is a Cunningham number, because it is equal to 31531²-1.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122179 + ... + 130061.

It is an arithmetic number, because the mean of its divisors is an integer number (46653570).

Almost surely, 2^994203960 is an apocalyptic number.

It is an amenable number.

994203960 is an abundant number, since it is smaller than the sum of its proper divisors (1991624520).

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

994203960 is a wasteful number, since it uses less digits than its factorization.

994203960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8948 (or 8944 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 42.

The square root of 994203960 is about 31530.9999841426. Note that the first 4 decimals coincide. The cubic root of 994203960 is about 998.0642419252.

The spelling of 994203960 in words is "nine hundred ninety-four million, two hundred three thousand, nine hundred sixty".