19298401 has 4 divisors (see below), whose sum is σ = 19405204. Its totient is φ = 19191600.

The previous prime is 19298393. The next prime is 19298407. The reversal of 19298401 is 10489291.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5645376 + 13653025 = 2376^2 + 3695^2 .

It is a cyclic number.

It is not a de Polignac number, because 19298401 - 2³ = 19298393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19298407) 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 3 ways as a sum of consecutive naturals, for example, 53130 + ... + 53491.

It is an arithmetic number, because the mean of its divisors is an integer number (4851301).

Almost surely, 2^19298401 is an apocalyptic number.

It is an amenable number.

19298401 is a deficient number, since it is larger than the sum of its proper divisors (106803).

19298401 is a wasteful number, since it uses less digits than its factorization.

19298401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106802.

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 19298401 is about 4392.9945367596. The cubic root of 19298401 is about 268.2298512626.

The spelling of 19298401 in words is "nineteen million, two hundred ninety-eight thousand, four hundred one".