18484650 has 36 divisors (see below), whose sum is σ = 49663302. Its totient is φ = 4929120.

The previous prime is 18484643. The next prime is 18484667. The reversal of 18484650 is 5648481.

18484650 is nontrivially palindromic in base 14.

It can be written as a sum of positive squares in 3 ways, for example, as 17164449 + 1320201 = 4143^2 + 1149^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 20089 + ... + 20988.

Almost surely, 2^18484650 is an apocalyptic number.

18484650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18484650 is an abundant number, since it is smaller than the sum of its proper divisors (31178652).

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

18484650 is a wasteful number, since it uses less digits than its factorization.

18484650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41095 (or 41087 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 18484650 is about 4299.3778619703. The cubic root of 18484650 is about 264.4054548019.

The spelling of 18484650 in words is "eighteen million, four hundred eighty-four thousand, six hundred fifty".