18746941 has 4 divisors (see below), whose sum is σ = 18831232. Its totient is φ = 18662652.

The previous prime is 18746933. The next prime is 18746951. The reversal of 18746941 is 14964781.

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 18746941 - 2³ = 18746933 is a prime.

It is a super-3 number, since 3×18746941³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18746894 and 18746903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18746951) 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 in 3 ways as a sum of consecutive naturals, for example, 41811 + ... + 42256.

It is an arithmetic number, because the mean of its divisors is an integer number (4707808).

Almost surely, 2^18746941 is an apocalyptic number.

It is an amenable number.

18746941 is a deficient number, since it is larger than the sum of its proper divisors (84291).

18746941 is an equidigital number, since it uses as much as digits as its factorization.

18746941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84290.

The product of its digits is 48384, while the sum is 40.

The square root of 18746941 is about 4329.7737816195. The cubic root of 18746941 is about 265.6501940763.

The spelling of 18746941 in words is "eighteen million, seven hundred forty-six thousand, nine hundred forty-one".