18906960 has 40 divisors (see below), whose sum is σ = 58612320. Its totient is φ = 5041792.

The previous prime is 18906917. The next prime is 18906961. The reversal of 18906960 is 6960981.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18906961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39150 + ... + 39629.

It is an arithmetic number, because the mean of its divisors is an integer number (1465308).

Almost surely, 2^18906960 is an apocalyptic number.

18906960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18906960 is an abundant number, since it is smaller than the sum of its proper divisors (39705360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18906960 is a wasteful number, since it uses less digits than its factorization.

18906960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78795 (or 78789 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 18906960 is about 4348.2134262246. The cubic root of 18906960 is about 266.4038939272.

The spelling of 18906960 in words is "eighteen million, nine hundred six thousand, nine hundred sixty".