5621878 has 8 divisors (see below), whose sum is σ = 8457768. Its totient is φ = 2802624.

The previous prime is 5621873. The next prime is 5621899. The reversal of 5621878 is 8781265.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5621873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3276 + ... + 4687.

It is an arithmetic number, because the mean of its divisors is an integer number (1057221).

Almost surely, 2^5621878 is an apocalyptic number.

5621878 is a deficient number, since it is larger than the sum of its proper divisors (2835890).

5621878 is a wasteful number, since it uses less digits than its factorization.

5621878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8318.

The product of its digits is 26880, while the sum is 37.

The square root of 5621878 is about 2371.0499783851. The cubic root of 5621878 is about 177.8117565550.

The spelling of 5621878 in words is "five million, six hundred twenty-one thousand, eight hundred seventy-eight".