18840350 has 12 divisors (see below), whose sum is σ = 35043144. Its totient is φ = 7536120.

The previous prime is 18840331. The next prime is 18840359. The reversal of 18840350 is 5304881.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18840359) 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, 188354 + ... + 188453.

It is an arithmetic number, because the mean of its divisors is an integer number (2920262).

Almost surely, 2^18840350 is an apocalyptic number.

18840350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18840350 is a deficient number, since it is larger than the sum of its proper divisors (16202794).

18840350 is a wasteful number, since it uses less digits than its factorization.

18840350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376819 (or 376814 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 18840350 is about 4340.5472005267. The cubic root of 18840350 is about 266.0906751753.

The spelling of 18840350 in words is "eighteen million, eight hundred forty thousand, three hundred fifty".