19048990 has 16 divisors (see below), whose sum is σ = 34415280. Its totient is φ = 7591360.

The previous prime is 19048979. The next prime is 19049011. The reversal of 19048990 is 9984091.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 580 + ... + 6199.

It is an arithmetic number, because the mean of its divisors is an integer number (2150955).

Almost surely, 2^19048990 is an apocalyptic number.

19048990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19048990 is a deficient number, since it is larger than the sum of its proper divisors (15366290).

19048990 is a wasteful number, since it uses less digits than its factorization.

19048990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7067.

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 19048990 is about 4364.5148642203. The cubic root of 19048990 is about 267.0693101402.

The spelling of 19048990 in words is "nineteen million, forty-eight thousand, nine hundred ninety".