994619957 has 4 divisors (see below), whose sum is σ = 996522240. Its totient is φ = 992717676.

The previous prime is 994619939. The next prime is 994620001. The reversal of 994619957 is 759916499.

994619957 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 759916499 = 109 ⋅6971711.

It is a cyclic number.

It is not a de Polignac number, because 994619957 - 2¹⁴ = 994603573 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 994619896 and 994619905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (994619057) 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, 950357 + ... + 951402.

It is an arithmetic number, because the mean of its divisors is an integer number (249130560).

Almost surely, 2^994619957 is an apocalyptic number.

It is an amenable number.

994619957 is a deficient number, since it is larger than the sum of its proper divisors (1902283).

994619957 is a wasteful number, since it uses less digits than its factorization.

994619957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1902282.

The product of its digits is 5511240, while the sum is 59.

The square root of 994619957 is about 31537.5959293032. The cubic root of 994619957 is about 998.2034265902.

The spelling of 994619957 in words is "nine hundred ninety-four million, six hundred nineteen thousand, nine hundred fifty-seven".