18384950 has 12 divisors (see below), whose sum is σ = 34196100. Its totient is φ = 7353960.

The previous prime is 18384941. The next prime is 18384979. The reversal of 18384950 is 5948381.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 183800 + ... + 183899.

It is an arithmetic number, because the mean of its divisors is an integer number (2849675).

Almost surely, 2^18384950 is an apocalyptic number.

18384950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18384950 is a deficient number, since it is larger than the sum of its proper divisors (15811150).

18384950 is a wasteful number, since it uses less digits than its factorization.

18384950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367711 (or 367706 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 18384950 is about 4287.7674843676. The cubic root of 18384950 is about 263.9292261310.

The spelling of 18384950 in words is "eighteen million, three hundred eighty-four thousand, nine hundred fifty".