19850242 has 16 divisors (see below), whose sum is σ = 31223232. Its totient is φ = 9446800.

The previous prime is 19850221. The next prime is 19850267. The reversal of 19850242 is 24205891.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9492 + ... + 11392.

It is an arithmetic number, because the mean of its divisors is an integer number (1951452).

Almost surely, 2^19850242 is an apocalyptic number.

19850242 is a deficient number, since it is larger than the sum of its proper divisors (11372990).

19850242 is a wasteful number, since it uses less digits than its factorization.

19850242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2153.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 19850242 is about 4455.3610403647. The cubic root of 19850242 is about 270.7625539591.

The spelling of 19850242 in words is "nineteen million, eight hundred fifty thousand, two hundred forty-two".