18950041 has 4 divisors (see below), whose sum is σ = 20672784. Its totient is φ = 17227300.

The previous prime is 18950039. The next prime is 18950069. The reversal of 18950041 is 14005981.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 18950041 - 2¹ = 18950039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18949991 and 18950009.

It is not an unprimeable number, because it can be changed into a prime (18950341) 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, 861355 + ... + 861376.

It is an arithmetic number, because the mean of its divisors is an integer number (5168196).

Almost surely, 2^18950041 is an apocalyptic number.

18950041 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

18950041 is a deficient number, since it is larger than the sum of its proper divisors (1722743).

18950041 is a wasteful number, since it uses less digits than its factorization.

18950041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1722742.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 18950041 is about 4353.1644811562. The cubic root of 18950041 is about 266.6060812016.

It can be divided in two parts, 18 and 950041, that added together give a palindrome (950059).

The spelling of 18950041 in words is "eighteen million, nine hundred fifty thousand, forty-one".