994909037 has 4 divisors (see below), whose sum is σ = 1053433116. Its totient is φ = 936384960.

The previous prime is 994909007. The next prime is 994909039. The reversal of 994909037 is 730909499.

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 663268516 + 331640521 = 25754^2 + 18211^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-994909037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (994909039) 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, 29262014 + ... + 29262047.

It is an arithmetic number, because the mean of its divisors is an integer number (263358279).

Almost surely, 2^994909037 is an apocalyptic number.

It is an amenable number.

994909037 is a deficient number, since it is larger than the sum of its proper divisors (58524079).

994909037 is a wasteful number, since it uses less digits than its factorization.

994909037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58524078.

The product of its (nonzero) digits is 551124, while the sum is 50.

The square root of 994909037 is about 31542.1786977374. The cubic root of 994909037 is about 998.3001243936.

The spelling of 994909037 in words is "nine hundred ninety-four million, nine hundred nine thousand, thirty-seven".