18948741 has 12 divisors (see below), whose sum is σ = 29390112. Its totient is φ = 10827768.

The previous prime is 18948733. The next prime is 18948751. The reversal of 18948741 is 14784981.

It is not a de Polignac number, because 18948741 - 2³ = 18948733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18948693 and 18948702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18948751) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64305 + ... + 64598.

It is an arithmetic number, because the mean of its divisors is an integer number (2449176).

Almost surely, 2^18948741 is an apocalyptic number.

It is an amenable number.

18948741 is a deficient number, since it is larger than the sum of its proper divisors (10441371).

18948741 is a wasteful number, since it uses less digits than its factorization.

18948741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128920 (or 128913 counting only the distinct ones).

The product of its digits is 64512, while the sum is 42.

The square root of 18948741 is about 4353.0151619309. The cubic root of 18948741 is about 266.5999845423.

The spelling of 18948741 in words is "eighteen million, nine hundred forty-eight thousand, seven hundred forty-one".