19850030 has 8 divisors (see below), whose sum is σ = 35730072. Its totient is φ = 7940008.

The previous prime is 19850021. The next prime is 19850059. The reversal of 19850030 is 3005891.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 992492 + ... + 992511.

It is an arithmetic number, because the mean of its divisors is an integer number (4466259).

Almost surely, 2^19850030 is an apocalyptic number.

19850030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19850030 is a deficient number, since it is larger than the sum of its proper divisors (15880042).

19850030 is a wasteful number, since it uses less digits than its factorization.

19850030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1985010.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 19850030 is about 4455.3372487389. The cubic root of 19850030 is about 270.7615900437.

The spelling of 19850030 in words is "nineteen million, eight hundred fifty thousand, thirty".