18472941 has 10 divisors (see below), whose sum is σ = 27595502. Its totient is φ = 12315240.

The previous prime is 18472877. The next prime is 18472957. The reversal of 18472941 is 14927481.

It can be written as a sum of positive squares in only one way, i.e., 17816841 + 656100 = 4221^2 + 810^2 .

It is not a de Polignac number, because 18472941 - 2⁶ = 18472877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18472896 and 18472905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18472981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 113950 + ... + 114111.

Almost surely, 2^18472941 is an apocalyptic number.

It is an amenable number.

18472941 is a deficient number, since it is larger than the sum of its proper divisors (9122561).

18472941 is an equidigital number, since it uses as much as digits as its factorization.

18472941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228073 (or 228064 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 18472941 is about 4298.0159376159. The cubic root of 18472941 is about 264.3496142820.

The spelling of 18472941 in words is "eighteen million, four hundred seventy-two thousand, nine hundred forty-one".