84003918 has 8 divisors (see below), whose sum is σ = 168007848. Its totient is φ = 28001304.

The previous prime is 84003917. The next prime is 84003929. The reversal of 84003918 is 81930048.

It is a sphenic number, since it is the product of 3 distinct primes.

84003918 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84003911) 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 3 ways as a sum of consecutive naturals, for example, 7000321 + ... + 7000332.

It is an arithmetic number, because the mean of its divisors is an integer number (21000981).

Almost surely, 2^84003918 is an apocalyptic number.

84003918 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

84003918 is a wasteful number, since it uses less digits than its factorization.

84003918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14000658.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 84003918 is about 9165.3651318428. The cubic root of 84003918 is about 437.9587229924.

The spelling of 84003918 in words is "eighty-four million, three thousand, nine hundred eighteen".