990419828 has 12 divisors (see below), whose sum is σ = 1734103140. Its totient is φ = 494961792.

The previous prime is 990419819. The next prime is 990419849. The reversal of 990419828 is 828914099.

It is a happy number.

990419828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 897721444 + 92698384 = 29962^2 + 9628^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52901 + ... + 69132.

It is an arithmetic number, because the mean of its divisors is an integer number (144508595).

Almost surely, 2^990419828 is an apocalyptic number.

It is an amenable number.

990419828 is a deficient number, since it is larger than the sum of its proper divisors (743683312).

990419828 is a wasteful number, since it uses less digits than its factorization.

990419828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124066 (or 124064 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 50.

The square root of 990419828 is about 31470.9362428257. The cubic root of 990419828 is about 996.7963569646.

The spelling of 990419828 in words is "nine hundred ninety million, four hundred nineteen thousand, eight hundred twenty-eight".