19850466 has 16 divisors (see below), whose sum is σ = 39946464. Its totient is φ = 6575904.

The previous prime is 19850443. The next prime is 19850483. The reversal of 19850466 is 66405891.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9171 + ... + 11126.

It is an arithmetic number, because the mean of its divisors is an integer number (2496654).

Almost surely, 2^19850466 is an apocalyptic number.

19850466 is an abundant number, since it is smaller than the sum of its proper divisors (20095998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19850466 is a wasteful number, since it uses less digits than its factorization.

19850466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20465.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 19850466 is about 4455.3861785484. The cubic root of 19850466 is about 270.7635724284.

The spelling of 19850466 in words is "nineteen million, eight hundred fifty thousand, four hundred sixty-six".