19390414 has 8 divisors (see below), whose sum is σ = 29704608. Its totient is φ = 9488880.

The previous prime is 19390411. The next prime is 19390429. The reversal of 19390414 is 41409391.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19390411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103047 + ... + 103234.

It is an arithmetic number, because the mean of its divisors is an integer number (3713076).

Almost surely, 2^19390414 is an apocalyptic number.

19390414 is a deficient number, since it is larger than the sum of its proper divisors (10314194).

19390414 is a wasteful number, since it uses less digits than its factorization.

19390414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206330.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 19390414 is about 4403.4547800562. The cubic root of 19390414 is about 268.6554739498.

The spelling of 19390414 in words is "nineteen million, three hundred ninety thousand, four hundred fourteen".