983220557 has 8 divisors (see below), whose sum is σ = 1083225312. Its totient is φ = 884986000.

The previous prime is 983220541. The next prime is 983220613. The reversal of 983220557 is 755022389.

983220557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 983220557 - 2⁴ = 983220541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (983220527) 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, 441383 + ... + 443604.

It is an arithmetic number, because the mean of its divisors is an integer number (135403164).

Almost surely, 2^983220557 is an apocalyptic number.

It is an amenable number.

983220557 is a deficient number, since it is larger than the sum of its proper divisors (100004755).

983220557 is a wasteful number, since it uses less digits than its factorization.

983220557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885099.

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 983220557 is about 31356.3479538035. The cubic root of 983220557 is about 994.3752741095.

The spelling of 983220557 in words is "nine hundred eighty-three million, two hundred twenty thousand, five hundred fifty-seven".