18441875 has 20 divisors (see below), whose sum is σ = 24273480. Its totient is φ = 13968000.

The previous prime is 18441851. The next prime is 18441881. The reversal of 18441875 is 57814481.

It is a happy number.

It is not a de Polignac number, because 18441875 - 2⁶ = 18441811 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11099 + ... + 12651.

It is an arithmetic number, because the mean of its divisors is an integer number (1213674).

Almost surely, 2^18441875 is an apocalyptic number.

18441875 is a deficient number, since it is larger than the sum of its proper divisors (5831605).

18441875 is an equidigital number, since it uses as much as digits as its factorization.

18441875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1592 (or 1577 counting only the distinct ones).

The product of its digits is 35840, while the sum is 38.

The square root of 18441875 is about 4294.4004238077. The cubic root of 18441875 is about 264.2013452911.

The spelling of 18441875 in words is "eighteen million, four hundred forty-one thousand, eight hundred seventy-five".