2984317957 has 4 divisors (see below), whose sum is σ = 2998461856. Its totient is φ = 2970174060.

The previous prime is 2984317927. The next prime is 2984317961. The reversal of 2984317957 is 7597134892.

It is a happy number.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2984317957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2984317898 and 2984317907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2984317927) 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, 7071633 + ... + 7072054.

It is an arithmetic number, because the mean of its divisors is an integer number (749615464).

Almost surely, 2^2984317957 is an apocalyptic number.

It is an amenable number.

2984317957 is a deficient number, since it is larger than the sum of its proper divisors (14143899).

2984317957 is a wasteful number, since it uses less digits than its factorization.

2984317957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14143898.

The product of its digits is 3810240, while the sum is 55.

The square root of 2984317957 is about 54628.9113656862. The cubic root of 2984317957 is about 1439.7321320482.

The spelling of 2984317957 in words is "two billion, nine hundred eighty-four million, three hundred seventeen thousand, nine hundred fifty-seven".