18485950 has 24 divisors (see below), whose sum is σ = 39296592. Its totient is φ = 6337920.

The previous prime is 18485891. The next prime is 18485959. The reversal of 18485950 is 5958481.

18485950 is nontrivially palindromic in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18485959) 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, 26059 + ... + 26758.

It is an arithmetic number, because the mean of its divisors is an integer number (1637358).

Almost surely, 2^18485950 is an apocalyptic number.

18485950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18485950 is an abundant number, since it is smaller than the sum of its proper divisors (20810642).

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

18485950 is a wasteful number, since it uses less digits than its factorization.

18485950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52836 (or 52831 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 40.

The square root of 18485950 is about 4299.5290439768. The cubic root of 18485950 is about 264.4116530805.

The spelling of 18485950 in words is "eighteen million, four hundred eighty-five thousand, nine hundred fifty".