994042215 has 24 divisors (see below), whose sum is σ = 1723857408. Its totient is φ = 529894080.

The previous prime is 994042199. The next prime is 994042219. The reversal of 994042215 is 512240499.

It is not a de Polignac number, because 994042215 - 2⁴ = 994042199 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 994042215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (994042219) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 116805 + ... + 125025.

It is an arithmetic number, because the mean of its divisors is an integer number (71827392).

Almost surely, 2^994042215 is an apocalyptic number.

994042215 is a deficient number, since it is larger than the sum of its proper divisors (729815193).

994042215 is a wasteful number, since it uses less digits than its factorization.

994042215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10919 (or 10916 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 994042215 is about 31528.4350230074. The cubic root of 994042215 is about 998.0101146494.

The spelling of 994042215 in words is "nine hundred ninety-four million, forty-two thousand, two hundred fifteen".