19468650 has 48 divisors (see below), whose sum is σ = 48773664. Its totient is φ = 5138880.

The previous prime is 19468639. The next prime is 19468667. The reversal of 19468650 is 5686491.

It is a junction number, because it is equal to n+sod(n) for n = 19468599 and 19468608.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15444 + ... + 16656.

It is an arithmetic number, because the mean of its divisors is an integer number (1016118).

Almost surely, 2^19468650 is an apocalyptic number.

19468650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 19468650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24386832).

19468650 is an abundant number, since it is smaller than the sum of its proper divisors (29305014).

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

19468650 is a wasteful number, since it uses less digits than its factorization.

19468650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335 (or 1330 counting only the distinct ones).

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

The square root of 19468650 is about 4412.3293168122. The cubic root of 19468650 is about 269.0163107443.

The spelling of 19468650 in words is "nineteen million, four hundred sixty-eight thousand, six hundred fifty".