18308050 has 12 divisors (see below), whose sum is σ = 34053066. Its totient is φ = 7323200.

The previous prime is 18308029. The next prime is 18308053. The reversal of 18308050 is 5080381.

It can be written as a sum of positive squares in 3 ways, for example, as 12552849 + 5755201 = 3543^2 + 2399^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (18308053) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 183031 + ... + 183130.

Almost surely, 2^18308050 is an apocalyptic number.

18308050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18308050 is a deficient number, since it is larger than the sum of its proper divisors (15745016).

18308050 is a wasteful number, since it uses less digits than its factorization.

18308050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366173 (or 366168 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 18308050 is about 4278.7907170134. The cubic root of 18308050 is about 263.5607268698.

The spelling of 18308050 in words is "eighteen million, three hundred eight thousand, fifty".