18872950 has 12 divisors (see below), whose sum is σ = 35103780. Its totient is φ = 7549160.

The previous prime is 18872927. The next prime is 18872957. The reversal of 18872950 is 5927881.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18872957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 188680 + ... + 188779.

It is an arithmetic number, because the mean of its divisors is an integer number (2925315).

Almost surely, 2^18872950 is an apocalyptic number.

18872950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18872950 is a deficient number, since it is larger than the sum of its proper divisors (16230830).

18872950 is a wasteful number, since it uses less digits than its factorization.

18872950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377471 (or 377466 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 40.

The square root of 18872950 is about 4344.3008643509. The cubic root of 18872950 is about 266.2440615249.

The spelling of 18872950 in words is "eighteen million, eight hundred seventy-two thousand, nine hundred fifty".