18903068 has 12 divisors (see below), whose sum is σ = 33238632. Its totient is φ = 9406320.

The previous prime is 18903037. The next prime is 18903077. The reversal of 18903068 is 86030981.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10355 + ... + 12042.

It is an arithmetic number, because the mean of its divisors is an integer number (2769886).

Almost surely, 2^18903068 is an apocalyptic number.

It is an amenable number.

18903068 is a deficient number, since it is larger than the sum of its proper divisors (14335564).

18903068 is a wasteful number, since it uses less digits than its factorization.

18903068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22612 (or 22610 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 18903068 is about 4347.7658630612. The cubic root of 18903068 is about 266.3856129148.

The spelling of 18903068 in words is "eighteen million, nine hundred three thousand, sixty-eight".