19850460 has 96 divisors (see below), whose sum is σ = 64146432. Its totient is φ = 4492800.

The previous prime is 19850443. The next prime is 19850483. The reversal of 19850460 is 6405891.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63264 + ... + 63576.

It is an arithmetic number, because the mean of its divisors is an integer number (668192).

Almost surely, 2^19850460 is an apocalyptic number.

19850460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19850460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32073216).

19850460 is an abundant number, since it is smaller than the sum of its proper divisors (44295972).

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

19850460 is a wasteful number, since it uses less digits than its factorization.

19850460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483 (or 481 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 19850460 is about 4455.3855052060. The cubic root of 19850460 is about 270.7635451481.

The spelling of 19850460 in words is "nineteen million, eight hundred fifty thousand, four hundred sixty".