18949048 has 32 divisors (see below), whose sum is σ = 36603360. Its totient is φ = 9192960.

The previous prime is 18949043. The next prime is 18949057. The reversal of 18949048 is 84094981.

It is a junction number, because it is equal to n+sod(n) for n = 18948995 and 18949013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18949043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41236 + ... + 41692.

It is an arithmetic number, because the mean of its divisors is an integer number (1143855).

Almost surely, 2^18949048 is an apocalyptic number.

It is an amenable number.

18949048 is a deficient number, since it is larger than the sum of its proper divisors (17654312).

18949048 is a wasteful number, since it uses less digits than its factorization.

18949048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607 (or 603 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 18949048 is about 4353.0504247022. The cubic root of 18949048 is about 266.6014243170.

The spelling of 18949048 in words is "eighteen million, nine hundred forty-nine thousand, forty-eight".