984009057 has 4 divisors (see below), whose sum is σ = 1312012080. Its totient is φ = 656006036.

The previous prime is 984009049. The next prime is 984009071. The reversal of 984009057 is 750900489.

984009057 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.

It is a cyclic number.

It is not a de Polignac number, because 984009057 - 2³ = 984009049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (984009007) 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, 164001507 + ... + 164001512.

It is an arithmetic number, because the mean of its divisors is an integer number (328003020).

Almost surely, 2^984009057 is an apocalyptic number.

It is an amenable number.

984009057 is a deficient number, since it is larger than the sum of its proper divisors (328003023).

984009057 is a wasteful number, since it uses less digits than its factorization.

984009057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328003022.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 984009057 is about 31368.9186456913. The cubic root of 984009057 is about 994.6410182826.

The spelling of 984009057 in words is "nine hundred eighty-four million, nine thousand, fifty-seven".