990497419 has 8 divisors (see below), whose sum is σ = 998786448. Its totient is φ = 982219680.

The previous prime is 990497383. The next prime is 990497447. The reversal of 990497419 is 914794099.

990497419 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 a cyclic number.

It is not a de Polignac number, because 990497419 - 2¹⁷ = 990366347 is a prime.

It is a super-2 number, since 2×990497419² = 1962170274091323122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (990497449) 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, 333489 + ... + 336445.

It is an arithmetic number, because the mean of its divisors is an integer number (124848306).

Almost surely, 2^990497419 is an apocalyptic number.

990497419 is a deficient number, since it is larger than the sum of its proper divisors (8289029).

990497419 is a wasteful number, since it uses less digits than its factorization.

990497419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5645.

The product of its (nonzero) digits is 734832, while the sum is 52.

The square root of 990497419 is about 31472.1689592567. The cubic root of 990497419 is about 996.8223864673.

The spelling of 990497419 in words is "nine hundred ninety million, four hundred ninety-seven thousand, four hundred nineteen".