18941960 has 16 divisors (see below), whose sum is σ = 42619500. Its totient is φ = 7576768.

The previous prime is 18941953. The next prime is 18941969. The reversal of 18941960 is 6914981.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18783556 + 158404 = 4334^2 + 398^2 .

It is not an unprimeable number, because it can be changed into a prime (18941969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236735 + ... + 236814.

Almost surely, 2^18941960 is an apocalyptic number.

18941960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18941960 is an abundant number, since it is smaller than the sum of its proper divisors (23677540).

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

18941960 is a wasteful number, since it uses less digits than its factorization.

18941960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473560 (or 473556 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 18941960 is about 4352.2362068252. The cubic root of 18941960 is about 266.5681789079.

The spelling of 18941960 in words is "eighteen million, nine hundred forty-one thousand, nine hundred sixty".