18484807 has 6 divisors (see below), whose sum is σ = 20318144. Its totient is φ = 16804260.

The previous prime is 18484783. The next prime is 18484811. The reversal of 18484807 is 70848481.

It is not a de Polignac number, because 18484807 - 2⁷ = 18484679 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18484807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18484007) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 76263 + ... + 76504.

Almost surely, 2^18484807 is an apocalyptic number.

18484807 is a deficient number, since it is larger than the sum of its proper divisors (1833337).

18484807 is a wasteful number, since it uses less digits than its factorization.

18484807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152789 (or 152778 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 40.

The square root of 18484807 is about 4299.3961203871. The cubic root of 18484807 is about 264.4062033787.

It can be divided in two parts, 18484 and 807, that added together give a palindrome (19291).

The spelling of 18484807 in words is "eighteen million, four hundred eighty-four thousand, eight hundred seven".