994957361 has 4 divisors (see below), whose sum is σ = 995034612. Its totient is φ = 994880112.

The previous prime is 994957357. The next prime is 994957367. The reversal of 994957361 is 163759499.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 82011136 + 912946225 = 9056^2 + 30215^2 .

It is a cyclic number.

It is not a de Polignac number, because 994957361 - 2² = 994957357 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (994957367) 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, 14126 + ... + 46791.

It is an arithmetic number, because the mean of its divisors is an integer number (248758653).

Almost surely, 2^994957361 is an apocalyptic number.

It is an amenable number.

994957361 is a deficient number, since it is larger than the sum of its proper divisors (77251).

994957361 is a wasteful number, since it uses less digits than its factorization.

994957361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77250.

The product of its digits is 1837080, while the sum is 53.

The square root of 994957361 is about 31542.9447103469. The cubic root of 994957361 is about 998.3162870350.

The spelling of 994957361 in words is "nine hundred ninety-four million, nine hundred fifty-seven thousand, three hundred sixty-one".