5418978 has 8 divisors (see below), whose sum is σ = 10837968. Its totient is φ = 1806324.

The previous prime is 5418977. The next prime is 5418991. The reversal of 5418978 is 8798145.

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

5418978 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (5418977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 451576 + ... + 451587.

It is an arithmetic number, because the mean of its divisors is an integer number (1354746).

Almost surely, 2^5418978 is an apocalyptic number.

5418978 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.

5418978 is a wasteful number, since it uses less digits than its factorization.

5418978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903168.

The product of its digits is 80640, while the sum is 42.

The square root of 5418978 is about 2327.8698417223. The cubic root of 5418978 is about 175.6463499498.

The spelling of 5418978 in words is "five million, four hundred eighteen thousand, nine hundred seventy-eight".