990596380 has 12 divisors (see below), whose sum is σ = 2080252440. Its totient is φ = 396238544.

The previous prime is 990596359. The next prime is 990596381. The reversal of 990596380 is 83695099.

990596380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (990596381) 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, 24764890 + ... + 24764929.

It is an arithmetic number, because the mean of its divisors is an integer number (173354370).

Almost surely, 2^990596380 is an apocalyptic number.

It is an amenable number.

990596380 is an abundant number, since it is smaller than the sum of its proper divisors (1089656060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

990596380 is a wasteful number, since it uses less digits than its factorization.

990596380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49529828 (or 49529826 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 49.

The square root of 990596380 is about 31473.7411185896. The cubic root of 990596380 is about 996.8555830051.

The spelling of 990596380 in words is "nine hundred ninety million, five hundred ninety-six thousand, three hundred eighty".