19374349 has 16 divisors (see below), whose sum is σ = 21611520. Its totient is φ = 17297280.

The previous prime is 19374331. The next prime is 19374353. The reversal of 19374349 is 94347391.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 19374349 - 2⁵ = 19374317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19374449) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 20209 + ... + 21145.

It is an arithmetic number, because the mean of its divisors is an integer number (1350720).

Almost surely, 2^19374349 is an apocalyptic number.

It is an amenable number.

19374349 is a deficient number, since it is larger than the sum of its proper divisors (2237171).

19374349 is a wasteful number, since it uses less digits than its factorization.

19374349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020.

The product of its digits is 81648, while the sum is 40.

The square root of 19374349 is about 4401.6302661628. The cubic root of 19374349 is about 268.5812595698.

The spelling of 19374349 in words is "nineteen million, three hundred seventy-four thousand, three hundred forty-nine".