19413450 has 72 divisors (see below), whose sum is σ = 59618208. Its totient is φ = 4436640.

The previous prime is 19413389. The next prime is 19413467. The reversal of 19413450 is 5431491.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 69 + ... + 6231.

Almost surely, 2^19413450 is an apocalyptic number.

19413450 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 19413450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29809104).

19413450 is an abundant number, since it is smaller than the sum of its proper divisors (40204758).

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

19413450 is a wasteful number, since it uses less digits than its factorization.

19413450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6188 (or 6180 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 19413450 is about 4406.0696771613. The cubic root of 19413450 is about 268.7618202841.

The spelling of 19413450 in words is "nineteen million, four hundred thirteen thousand, four hundred fifty".