19892941 has 4 divisors (see below), whose sum is σ = 21063132. Its totient is φ = 18722752.

The previous prime is 19892923. The next prime is 19892947. The reversal of 19892941 is 14929891.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14929891 = 59 ⋅253049.

It can be written as a sum of positive squares in 2 ways, for example, as 16728100 + 3164841 = 4090^2 + 1779^2 .

It is a cyclic number.

It is not a de Polignac number, because 19892941 - 2⁵ = 19892909 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 (19892947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 585070 + ... + 585103.

It is an arithmetic number, because the mean of its divisors is an integer number (5265783).

Almost surely, 2^19892941 is an apocalyptic number.

It is an amenable number.

19892941 is a deficient number, since it is larger than the sum of its proper divisors (1170191).

19892941 is a wasteful number, since it uses less digits than its factorization.

19892941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1170190.

The product of its digits is 46656, while the sum is 43.

The square root of 19892941 is about 4460.1503337892. The cubic root of 19892941 is about 270.9565568084.

It can be divided in two parts, 198 and 92941, that added together give a palindrome (93139).

The spelling of 19892941 in words is "nineteen million, eight hundred ninety-two thousand, nine hundred forty-one".