18826950 has 48 divisors (see below), whose sum is σ = 46956816. Its totient is φ = 4992000.

The previous prime is 18826943. The next prime is 18826961. The reversal of 18826950 is 5962881.

It is a junction number, because it is equal to n+sod(n) for n = 18826899 and 18826908.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46750 + ... + 47150.

It is an arithmetic number, because the mean of its divisors is an integer number (978267).

Almost surely, 2^18826950 is an apocalyptic number.

18826950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 18826950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23478408).

18826950 is an abundant number, since it is smaller than the sum of its proper divisors (28129866).

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

18826950 is a wasteful number, since it uses less digits than its factorization.

18826950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729 (or 724 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 18826950 is about 4339.0033417825. The cubic root of 18826950 is about 266.0275754856.

The spelling of 18826950 in words is "eighteen million, eight hundred twenty-six thousand, nine hundred fifty".