4591878 has 8 divisors (see below), whose sum is σ = 9183768. Its totient is φ = 1530624.

The previous prime is 4591871. The next prime is 4591891. The reversal of 4591878 is 8781954.

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

4591878 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4591871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 382651 + ... + 382662.

It is an arithmetic number, because the mean of its divisors is an integer number (1147971).

Almost surely, 2^4591878 is an apocalyptic number.

4591878 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.

4591878 is a wasteful number, since it uses less digits than its factorization.

4591878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765318.

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

The square root of 4591878 is about 2142.8667714069. The cubic root of 4591878 is about 166.2124101420.

The spelling of 4591878 in words is "four million, five hundred ninety-one thousand, eight hundred seventy-eight".