16448990 has 8 divisors (see below), whose sum is σ = 29608200. Its totient is φ = 6579592.

The previous prime is 16448989. The next prime is 16449011. The reversal of 16448990 is 9984461.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 822440 + ... + 822459.

It is an arithmetic number, because the mean of its divisors is an integer number (3701025).

Almost surely, 2^16448990 is an apocalyptic number.

16448990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16448990 is a deficient number, since it is larger than the sum of its proper divisors (13159210).

16448990 is a wasteful number, since it uses less digits than its factorization.

16448990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1644906.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 16448990 is about 4055.7354450210. The cubic root of 16448990 is about 254.3195494561.

The spelling of 16448990 in words is "sixteen million, four hundred forty-eight thousand, nine hundred ninety".