18455950 has 12 divisors (see below), whose sum is σ = 34328160. Its totient is φ = 7382360.

The previous prime is 18455947. The next prime is 18455971. The reversal of 18455950 is 5955481.

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 5 ways as a sum of consecutive naturals, for example, 184510 + ... + 184609.

It is an arithmetic number, because the mean of its divisors is an integer number (2860680).

Almost surely, 2^18455950 is an apocalyptic number.

18455950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18455950 is a deficient number, since it is larger than the sum of its proper divisors (15872210).

18455950 is a wasteful number, since it uses less digits than its factorization.

18455950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369131 (or 369126 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 37.

The square root of 18455950 is about 4296.0388731947. The cubic root of 18455950 is about 264.2685417900.

The spelling of 18455950 in words is "eighteen million, four hundred fifty-five thousand, nine hundred fifty".