984998057 has 8 divisors (see below), whose sum is σ = 1056404160. Its totient is φ = 915548400.

The previous prime is 984998051. The next prime is 984998059. The reversal of 984998057 is 750899489.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 984998057 - 2⁴ = 984998041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 984997987 and 984998005.

It is not an unprimeable number, because it can be changed into a prime (984998051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 488069 + ... + 490082.

It is an arithmetic number, because the mean of its divisors is an integer number (132050520).

Almost surely, 2^984998057 is an apocalyptic number.

It is an amenable number.

984998057 is a deficient number, since it is larger than the sum of its proper divisors (71406103).

984998057 is a wasteful number, since it uses less digits than its factorization.

984998057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978223.

The product of its (nonzero) digits is 6531840, while the sum is 59.

The square root of 984998057 is about 31384.6786983713. The cubic root of 984998057 is about 994.9741353343.

The spelling of 984998057 in words is "nine hundred eighty-four million, nine hundred ninety-eight thousand, fifty-seven".