990305529 has 8 divisors (see below), whose sum is σ = 1320919392. Its totient is φ = 659947680.

The previous prime is 990305521. The next prime is 990305567. The reversal of 990305529 is 925503099.

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

It is not a de Polignac number, because 990305529 - 2³ = 990305521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (990305521) 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, 54787 + ... + 70584.

It is an arithmetic number, because the mean of its divisors is an integer number (165114924).

Almost surely, 2^990305529 is an apocalyptic number.

It is an amenable number.

990305529 is a deficient number, since it is larger than the sum of its proper divisors (330613863).

990305529 is a wasteful number, since it uses less digits than its factorization.

990305529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128007.

The product of its (nonzero) digits is 109350, while the sum is 42.

The square root of 990305529 is about 31469.1202450911. The cubic root of 990305529 is about 996.7580105292.

The spelling of 990305529 in words is "nine hundred ninety million, three hundred five thousand, five hundred twenty-nine".