19214345 has 8 divisors (see below), whose sum is σ = 23157576. Its totient is φ = 15304576.

The previous prime is 19214333. The next prime is 19214347. The reversal of 19214345 is 54341291.

It can be written as a sum of positive squares in 4 ways, for example, as 413449 + 18800896 = 643^2 + 4336^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 19214345 - 2¹² = 19210249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19214347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7082 + ... + 9411.

It is an arithmetic number, because the mean of its divisors is an integer number (2894697).

Almost surely, 2^19214345 is an apocalyptic number.

It is an amenable number.

19214345 is a deficient number, since it is larger than the sum of its proper divisors (3943231).

19214345 is a wasteful number, since it uses less digits than its factorization.

19214345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16731.

The product of its digits is 4320, while the sum is 29.

The square root of 19214345 is about 4383.4170460954. The cubic root of 19214345 is about 267.8398510403.

The spelling of 19214345 in words is "nineteen million, two hundred fourteen thousand, three hundred forty-five".