18574950 has 24 divisors (see below), whose sum is σ = 46066248. Its totient is φ = 4953280.

The previous prime is 18574939. The next prime is 18574957. The reversal of 18574950 is 5947581.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 18574899 and 18574908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18574957) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61767 + ... + 62066.

It is an arithmetic number, because the mean of its divisors is an integer number (1919427).

Almost surely, 2^18574950 is an apocalyptic number.

18574950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18574950 is an abundant number, since it is smaller than the sum of its proper divisors (27491298).

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

18574950 is a wasteful number, since it uses less digits than its factorization.

18574950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123848 (or 123843 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 39.

The square root of 18574950 is about 4309.8665872623. The cubic root of 18574950 is about 264.8353076598.

The spelling of 18574950 in words is "eighteen million, five hundred seventy-four thousand, nine hundred fifty".