19414900 has 18 divisors (see below), whose sum is σ = 42130550. Its totient is φ = 7765920.

The previous prime is 19414883. The next prime is 19414909. The reversal of 19414900 is 941491.

It can be written as a sum of positive squares in 3 ways, for example, as 283024 + 19131876 = 532^2 + 4374^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19414909) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 96975 + ... + 97174.

Almost surely, 2^19414900 is an apocalyptic number.

19414900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19414900 is an abundant number, since it is smaller than the sum of its proper divisors (22715650).

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

19414900 is a wasteful number, since it uses less digits than its factorization.

19414900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194163 (or 194156 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 19414900 is about 4406.2342198299. The cubic root of 19414900 is about 268.7685114345.

The spelling of 19414900 in words is "nineteen million, four hundred fourteen thousand, nine hundred".