994408718 has 4 divisors (see below), whose sum is σ = 1491613080. Its totient is φ = 497204358.

The previous prime is 994408717. The next prime is 994408729. The reversal of 994408718 is 817804499.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 817804499 = 17 ⋅48106147.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (994408717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248602178 + ... + 248602181.

It is an arithmetic number, because the mean of its divisors is an integer number (372903270).

Almost surely, 2^994408718 is an apocalyptic number.

994408718 is a deficient number, since it is larger than the sum of its proper divisors (497204362).

994408718 is a wasteful number, since it uses less digits than its factorization.

994408718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497204361.

The product of its (nonzero) digits is 580608, while the sum is 50.

The square root of 994408718 is about 31534.2467485748. The cubic root of 994408718 is about 998.1327548992.

The spelling of 994408718 in words is "nine hundred ninety-four million, four hundred eight thousand, seven hundred eighteen".