18926950 has 48 divisors (see below), whose sum is σ = 42613344. Its totient is φ = 6105600.

The previous prime is 18926939. The next prime is 18926951. The reversal of 18926950 is 5962981.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18926951) 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 23 ways as a sum of consecutive naturals, for example, 4360 + ... + 7540.

It is an arithmetic number, because the mean of its divisors is an integer number (887778).

Almost surely, 2^18926950 is an apocalyptic number.

18926950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18926950 is an abundant number, since it is smaller than the sum of its proper divisors (23686394).

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

18926950 is a wasteful number, since it uses less digits than its factorization.

18926950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3217 (or 3212 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 18926950 is about 4350.5114641844. The cubic root of 18926950 is about 266.4977489259.

The spelling of 18926950 in words is "eighteen million, nine hundred twenty-six thousand, nine hundred fifty".