18487050 has 48 divisors (see below), whose sum is σ = 47101152. Its totient is φ = 4795200.

The previous prime is 18487039. The next prime is 18487061. The reversal of 18487050 is 5078481.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (18487039) and next prime (18487061).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3885 + ... + 7215.

It is an arithmetic number, because the mean of its divisors is an integer number (981274).

Almost surely, 2^18487050 is an apocalyptic number.

18487050 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 18487050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23550576).

18487050 is an abundant number, since it is smaller than the sum of its proper divisors (28614102).

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

18487050 is a wasteful number, since it uses less digits than its factorization.

18487050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3383 (or 3378 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 18487050 is about 4299.6569630611. The cubic root of 18487050 is about 264.4168975509.

The spelling of 18487050 in words is "eighteen million, four hundred eighty-seven thousand, fifty".