990280354 has 8 divisors (see below), whose sum is σ = 1697623488. Its totient is φ = 424405860.

The previous prime is 990280351. The next prime is 990280393. The reversal of 990280354 is 453082099.

It is a happy number.

990280354 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 not an unprimeable number, because it can be changed into a prime (990280351) 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, 35367142 + ... + 35367169.

It is an arithmetic number, because the mean of its divisors is an integer number (212202936).

Almost surely, 2^990280354 is an apocalyptic number.

990280354 is a deficient number, since it is larger than the sum of its proper divisors (707343134).

990280354 is a wasteful number, since it uses less digits than its factorization.

990280354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70734320.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 990280354 is about 31468.7202472551. The cubic root of 990280354 is about 996.7495641139.

The spelling of 990280354 in words is "nine hundred ninety million, two hundred eighty thousand, three hundred fifty-four".