19414874 has 4 divisors (see below), whose sum is σ = 29122314. Its totient is φ = 9707436.

The previous prime is 19414873. The next prime is 19414883. The reversal of 19414874 is 47841491.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47841491 = 1429 ⋅33479.

It can be written as a sum of positive squares in only one way, i.e., 12355225 + 7059649 = 3515^2 + 2657^2 .

It is not an unprimeable number, because it can be changed into a prime (19414873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4853717 + ... + 4853720.

Almost surely, 2^19414874 is an apocalyptic number.

19414874 is a deficient number, since it is larger than the sum of its proper divisors (9707440).

19414874 is an equidigital number, since it uses as much as digits as its factorization.

19414874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9707439.

The product of its digits is 32256, while the sum is 38.

The square root of 19414874 is about 4406.2312694637. The cubic root of 19414874 is about 268.7683914582.

It can be divided in two parts, 1941487 and 4, that added together give a palindrome (1941491).

The spelling of 19414874 in words is "nineteen million, four hundred fourteen thousand, eight hundred seventy-four".