990350583 has 32 divisors (see below), whose sum is σ = 1452736512. Its totient is φ = 598092000.

The previous prime is 990350573. The next prime is 990350681. The reversal of 990350583 is 385053099.

It is not a de Polignac number, because 990350583 - 2⁶ = 990350519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (990350513) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95608 + ... + 105458.

It is an arithmetic number, because the mean of its divisors is an integer number (45398016).

Almost surely, 2^990350583 is an apocalyptic number.

990350583 is a gapful number since it is divisible by the number (93) formed by its first and last digit.

990350583 is a deficient number, since it is larger than the sum of its proper divisors (462385929).

990350583 is a wasteful number, since it uses less digits than its factorization.

990350583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9955.

The product of its (nonzero) digits is 145800, while the sum is 42.

The square root of 990350583 is about 31469.8360815559. The cubic root of 990350583 is about 996.7731261520.

The spelling of 990350583 in words is "nine hundred ninety million, three hundred fifty thousand, five hundred eighty-three".