19445414 has 8 divisors (see below), whose sum is σ = 29261088. Its totient is φ = 9691720.

The previous prime is 19445389. The next prime is 19445443. The reversal of 19445414 is 41454491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14702 + ... + 15969.

It is an arithmetic number, because the mean of its divisors is an integer number (3657636).

Almost surely, 2^19445414 is an apocalyptic number.

19445414 is a deficient number, since it is larger than the sum of its proper divisors (9815674).

19445414 is a wasteful number, since it uses less digits than its factorization.

19445414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30990.

The product of its digits is 11520, while the sum is 32.

The square root of 19445414 is about 4409.6954543370. The cubic root of 19445414 is about 268.9092437166.

The spelling of 19445414 in words is "nineteen million, four hundred forty-five thousand, four hundred fourteen".